originally just a small idea. Took way more time.
This commit is contained in:
parent
6fae593845
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134
apps/Assignment/assign_sample.csv
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134
apps/Assignment/assign_sample.csv
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@ -0,0 +1,134 @@
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"sub132",,,,,2,,5,,,,3,,1,,,,4
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"sub133",,4,,,,,,3,,,,,,1,,2,5
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BIN
apps/Assignment/assign_sample.xlsx
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BIN
apps/Assignment/assign_sample.xlsx
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Binary file not shown.
188
apps/Assignment/group_assign.R
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apps/Assignment/group_assign.R
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group_assignment <-
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function(ds,
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cap_classes = NULL,
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excess_space = NULL,
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pre_assign = NULL) {
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require(dplyr)
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require(tidyr)
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require(ROI)
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require(ROI.plugin.symphony)
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require(ompr)
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require(ompr.roi)
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if (!is.data.frame(ds)){
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stop("Supplied data has to be a data frame, with each row
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are subjects and columns are groups, with the first column being
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subject identifiers")}
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## This program very much trust the user to supply correctly formatted data
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cost <- t(ds[,-1]) #Transpose converts to matrix
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colnames(cost) <- ds[,1]
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num_groups <- dim(cost)[1]
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num_sub <- dim(cost)[2]
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## Adding the option to introduce a bit of head room to the classes by
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## the groups to a little bigger than the smallest possible
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## Default is to allow for an extra 20 % fill
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if (is.null(excess_space)) {
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excess <- 1.2
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} else {
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excess <- excess_space
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}
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# generous round up of capacities
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if (is.null(cap_classes)) {
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capacity <- rep(ceiling(excess*num_sub/num_groups), num_groups)
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# } else if (!is.numeric(cap_classes)) {
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# stop("cap_classes has to be numeric")
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} else if (length(cap_classes)==1){
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capacity <- ceiling(rep(cap_classes,num_groups)*excess)
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} else if (length(cap_classes)==num_groups){
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capacity <- ceiling(cap_classes*excess)
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} else {
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stop("cap_classes has to be either length 1 or same as number of groups")
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}
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## This test should be a little more elegant
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## pre_assign should be a data.frame or matrix with an ID and assignment column
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with_pre_assign <- FALSE
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if (!is.null(pre_assign)){
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# Setting flag for later and export list
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with_pre_assign <- TRUE
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# Splitting to list for later merging
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pre <- split(pre_assign[,1],factor(pre_assign[,2],levels = seq_len(num_groups)))
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# Subtracting capacity numbers, to reflect already filled spots
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capacity <- capacity-lengths(pre)
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# Making sure pre_assigned are removed from main data set
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ds <- ds[!ds[[1]] %in% pre_assign[[1]],]
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cost <- t(ds[,-1])
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colnames(cost) <- ds[,1]
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num_groups <- dim(cost)[1]
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num_sub <- dim(cost)[2]
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}
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## Simple NA handling. Better to handle NAs yourself!
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cost[is.na(cost)] <- num_groups
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i_m <- seq_len(num_groups)
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j_m <- seq_len(num_sub)
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m <- MIPModel() %>%
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add_variable(grp[i, j],
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i = i_m,
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j = j_m,
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type = "binary") %>%
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## The first constraint says that group size should not exceed capacity
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add_constraint(sum_expr(grp[i, j], j = j_m) <= capacity[i],
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i = i_m) %>%
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## The second constraint says each subject can only be in one group
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add_constraint(sum_expr(grp[i, j], i = i_m) == 1, j = j_m) %>%
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## The objective is set to minimize the cost of the assignments
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## Giving subjects the group with the highest possible ranking
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set_objective(sum_expr(
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cost[i, j] * grp[i, j],
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i = i_m,
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j = j_m
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),
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"min") %>%
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solve_model(with_ROI(solver = "symphony", verbosity = 1))
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## Getting assignments
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solution <- get_solution(m, grp[i, j]) %>% filter(value > 0)
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assign <- solution |> select(i,j)
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if (!is.null(rownames(cost))){
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assign$i <- rownames(cost)[assign$i]
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}
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if (!is.null(colnames(cost))){
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assign$j <- colnames(cost)[assign$j]
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}
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## Splitting into groups based on assignment
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assign_ls <- split(assign$j,assign$i)
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## Extracting subject cost for the final assignment for evaluation
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if (is.null(rownames(cost))){
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rownames(cost) <- seq_len(nrow(cost))
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}
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if (is.null(colnames(cost))){
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colnames(cost) <- seq_len(ncol(cost))
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}
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eval <- lapply(seq_len(length(assign_ls)),function(i){
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ndx <- match(names(assign_ls)[i],rownames(cost))
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cost[ndx,assign_ls[[i]]]
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})
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names(eval) <- names(assign_ls)
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if (with_pre_assign){
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names(pre) <- names(assign_ls)
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assign_all <- mapply(c, assign_ls, pre, SIMPLIFY=FALSE)
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out <- list(all_assigned=assign_all)
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} else {
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out <- list(all_assigned=assign_ls)
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}
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export <- do.call(rbind,lapply(seq_along(out[[1]]),function(i){
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cbind("ID"=out[[1]][[i]],"Group"=names(out[[1]])[i])
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}))
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out <- append(out,
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list(evaluation=eval,
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assigned=assign_ls,
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solution = solution,
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capacity = capacity,
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excess = excess,
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pre_assign = with_pre_assign,
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cost_scale = levels(factor(cost)),
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input=ds,
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export=export))
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# exists("excess")
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return(out)
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}
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## Assessment performance overview
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## The function plots costs of assignment for each subject in every group
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assignment_plot <- function(lst){
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dl <- lst[[2]]
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cost_scale <- unique(lst[[8]])
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cap <- lst[[5]]
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cnts_ls <- lapply(dl,function(i){
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factor(i,levels=cost_scale)
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})
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require(ggplot2)
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require(patchwork)
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require(viridisLite)
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y_max <- max(lengths(dl))
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wrap_plots(lapply(seq_along(dl),function(i){
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ttl <- names(dl)[i]
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ns <- length(dl[[i]])
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cnts <- cnts_ls[[i]]
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ggplot() + geom_bar(aes(cnts,fill=cnts)) +
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scale_x_discrete(name = NULL, breaks=cost_scale, drop=FALSE) +
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scale_y_continuous(name = NULL, limits = c(0,y_max)) +
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scale_fill_manual(values = viridisLite::viridis(length(cost_scale), direction = -1)) +
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guides(fill=FALSE) + labs(title=paste0(ttl," (fill=",round(ns/cap[[i]],1),";m=",round(mean(dl[[i]]),1) ,")"))
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}))
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}
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## Helper function for Shiny
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file_extension <- function(filenames) {
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sub(pattern = "^(.*\\.|[^.]+)(?=[^.]*)", replacement = "", filenames, perl = TRUE)
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}
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11
apps/Assignment/pre_grouped.csv
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11
apps/Assignment/pre_grouped.csv
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"ID","group"
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"sub36",16
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"sub105",10
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"sub112",3
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"sub61",15
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"sub27",8
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"sub78",7
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"sub110",1
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"sub129",2
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"sub109",12
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"sub46",14
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|
96
apps/Assignment/server.R
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96
apps/Assignment/server.R
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server <- function(input, output, session) {
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library(dplyr)
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library(tidyr)
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library(ROI)
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library(ROI.plugin.symphony)
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library(ompr)
|
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library(ompr.roi)
|
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library(magrittr)
|
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library(ggplot2)
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library(viridisLite)
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library(patchwork)
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library(openxlsx)
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# source("https://git.nikohuru.dk/au-phd/PhysicalActivityandStrokeOutcome/raw/branch/main/side%20projects/assignment.R")
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source("group_assign.R")
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|
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dat <- reactive({
|
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# input$file1 will be NULL initially. After the user selects
|
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# and uploads a file, head of that data file by default,
|
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# or all rows if selected, will be shown.
|
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|
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req(input$file1)
|
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# Make laoding dependent of file name extension (file_ext())
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ext <- file_extension(input$file1$datapath)
|
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|
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if (ext == "csv") {
|
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df <- read.csv(input$file1$datapath,na.strings = c("NA", '""',""))
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} else if (ext %in% c("xls", "xlsx")) {
|
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df <- openxlsx::read.xlsx(input$file1$datapath,na.strings = c("NA", '""',""))
|
||||
|
||||
} else {
|
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stop("Input file format has to be either '.csv', '.xls' or '.xlsx'")
|
||||
}
|
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|
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return(df)
|
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})
|
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|
||||
dat_pre <- reactive({
|
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|
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# req(input$file2)
|
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# Make laoding dependent of file name extension (file_ext())
|
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if (!is.null(input$file2$datapath)){
|
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ext <- file_extension(input$file2$datapath)
|
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|
||||
if (ext == "csv") {
|
||||
df <- read.csv(input$file2$datapath,na.strings = c("NA", '""',""))
|
||||
} else if (ext %in% c("xls", "xlsx")) {
|
||||
df <- openxlsx::read.xlsx(input$file2$datapath,na.strings = c("NA", '""',""))
|
||||
|
||||
} else {
|
||||
stop("Input file format has to be either '.csv', '.xls' or '.xlsx'")
|
||||
}
|
||||
|
||||
return(df)
|
||||
} else {
|
||||
return(NULL)
|
||||
}
|
||||
|
||||
})
|
||||
|
||||
assign <-
|
||||
reactive({
|
||||
assigned <- group_assignment(
|
||||
ds = dat(),
|
||||
excess_space = input$ecxess,
|
||||
pre_assign = dat_pre()
|
||||
)
|
||||
return(assigned)
|
||||
})
|
||||
|
||||
|
||||
output$raw.data.tbl <- renderTable({
|
||||
assign()$export
|
||||
})
|
||||
|
||||
output$pre.assign <- renderTable({
|
||||
dat_pre()
|
||||
})
|
||||
|
||||
output$input <- renderTable({
|
||||
dat()
|
||||
})
|
||||
|
||||
output$assign.plt <- renderPlot({
|
||||
assignment_plot(assign())
|
||||
})
|
||||
|
||||
# Downloadable csv of selected dataset ----
|
||||
output$downloadData <- downloadHandler(
|
||||
filename = "group_assignment.csv",
|
||||
|
||||
content = function(file) {
|
||||
write.csv(assign()$export, file, row.names = FALSE)
|
||||
}
|
||||
)
|
||||
|
||||
}
|
||||
120
apps/Assignment/ui.R
Normal file
120
apps/Assignment/ui.R
Normal file
@ -0,0 +1,120 @@
|
||||
library(shiny)
|
||||
library(ggplot2)
|
||||
|
||||
ui <- fluidPage(
|
||||
## -----------------------------------------------------------------------------
|
||||
## Application title
|
||||
## -----------------------------------------------------------------------------
|
||||
|
||||
titlePanel("Assign groups based on costs/priorities.",
|
||||
windowTitle = "Group assignment calculator"),
|
||||
h5(
|
||||
"Please note this calculator is only meant as a proof of concept for educational purposes,
|
||||
and the author will take no responsibility for the results of the calculator.
|
||||
Uploaded data is not kept, but please, do not upload any sensitive data."
|
||||
),
|
||||
|
||||
## -----------------------------------------------------------------------------
|
||||
## Side panel
|
||||
## -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
## -----------------------------------------------------------------------------
|
||||
## Single entry
|
||||
## -----------------------------------------------------------------------------
|
||||
sidebarLayout(
|
||||
sidebarPanel(
|
||||
numericInput(
|
||||
inputId = "ecxess",
|
||||
label = "Excess space",
|
||||
value = 1,
|
||||
step = .05
|
||||
),
|
||||
|
||||
## -----------------------------------------------------------------------------
|
||||
## File upload
|
||||
## -----------------------------------------------------------------------------
|
||||
|
||||
# Input: Select a file ----
|
||||
|
||||
fileInput(
|
||||
inputId = "file1",
|
||||
label = "Choose main data file",
|
||||
multiple = FALSE,
|
||||
accept = c(
|
||||
".csv",".xls",".xlsx"
|
||||
)
|
||||
),
|
||||
strong("Columns: ID, group1, group2, ... groupN."),
|
||||
strong("NOTE: 0s will be interpreted as lowest score."),
|
||||
p("Cells should contain cost/priorities.
|
||||
Lowest score, for highest priority.
|
||||
Non-ranked should contain a number (eg lowest score+1).
|
||||
Will handle missings but try to avoid."),
|
||||
|
||||
fileInput(
|
||||
inputId = "file2",
|
||||
label = "Choose data file for pre-assigned subjects",
|
||||
multiple = FALSE,
|
||||
accept = c(
|
||||
".csv",".xls",".xlsx"
|
||||
)
|
||||
),
|
||||
h6("Columns: ID, group"),
|
||||
|
||||
|
||||
|
||||
## -----------------------------------------------------------------------------
|
||||
## Download output
|
||||
## -----------------------------------------------------------------------------
|
||||
|
||||
# Horizontal line ----
|
||||
tags$hr(),
|
||||
|
||||
h4("Download results"),
|
||||
|
||||
# Button
|
||||
downloadButton("downloadData", "Download")
|
||||
),
|
||||
|
||||
mainPanel(tabsetPanel(
|
||||
## -----------------------------------------------------------------------------
|
||||
## Plot tab
|
||||
## -----------------------------------------------------------------------------
|
||||
|
||||
tabPanel(
|
||||
"Summary",
|
||||
h3("Assignment plot"),
|
||||
p("These plots are to summarise simple performance meassures for the assignment.
|
||||
'f' is group fill fraction and 'm' is mean cost in group."),
|
||||
|
||||
plotOutput("assign.plt")
|
||||
|
||||
),
|
||||
|
||||
tabPanel(
|
||||
"Results",
|
||||
h3("Raw Results"),
|
||||
p("This is identical to the downloaded file (see panel on left)"),
|
||||
|
||||
htmlOutput("raw.data.tbl", container = span)
|
||||
|
||||
),
|
||||
|
||||
tabPanel(
|
||||
"Input data Results",
|
||||
h3("Costs/prioritis overview"),
|
||||
|
||||
|
||||
htmlOutput("input", container = span),
|
||||
|
||||
h3("Pre-assigned groups"),
|
||||
p("Appears empty if none is uploaded."),
|
||||
|
||||
htmlOutput("pre.assign", container = span)
|
||||
|
||||
)
|
||||
|
||||
))
|
||||
)
|
||||
)
|
||||
39
apps/Group assignment app.R
Normal file
39
apps/Group assignment app.R
Normal file
@ -0,0 +1,39 @@
|
||||
## -----------------------------------------------------------------------------
|
||||
## Group assignment app
|
||||
## -----------------------------------------------------------------------------
|
||||
##
|
||||
## Special cases to consider
|
||||
## - duplicate scores
|
||||
## - missing scores
|
||||
## - Pre-assignment of special cases - SOLVED
|
||||
## - Make sure to remove assigned subjects from all subjects when pre-assigning
|
||||
## - Set class to output list and have plot function only accept correct class (not necessary for Shiny)
|
||||
## - Use knitr::kable() to show sample data, alternatively use gt()
|
||||
## - Handle [NA, 0, ""]
|
||||
##
|
||||
## I believe we are ready for a shiny app!
|
||||
|
||||
|
||||
## -- START WITH THIS -- ##
|
||||
old_wd<-getwd()
|
||||
|
||||
setwd(paste0(old_wd,"/apps/Assignment"))
|
||||
|
||||
shiny::runApp(appDir = "/Users/au301842/PAaSO/apps/Assignment",launch.browser = TRUE)
|
||||
|
||||
## App deployment
|
||||
|
||||
require(rsconnect)
|
||||
|
||||
keys<-suppressWarnings(read.csv("/Users/au301842/shinyapp_token.csv",colClasses = "character"))
|
||||
|
||||
rsconnect::setAccountInfo(name='cognitiveindex',
|
||||
token=keys$key[1], secret=keys$key[2])
|
||||
|
||||
deployApp()
|
||||
|
||||
source(paste0(old_wd,"/apps/app_deploy.R"))
|
||||
|
||||
setwd(old_wd)
|
||||
|
||||
## Raw sketch, doesn't load correctly...
|
||||
@ -1,172 +1,73 @@
|
||||
group_assignment <-
|
||||
function(ds,
|
||||
cap_classes = NULL,
|
||||
excess_space = NULL,
|
||||
pre_assign = NULL) {
|
||||
require(dplyr)
|
||||
require(tidyr)
|
||||
require(ROI)
|
||||
require(ROI.plugin.symphony)
|
||||
require(ompr)
|
||||
require(ompr.roi)
|
||||
|
||||
if (!is.data.frame(ds)){
|
||||
stop("Supplied data has to be a data frame, with each row
|
||||
are subjects and columns are groups, with the first column being
|
||||
subject identifiers")}
|
||||
|
||||
## This program very much trust the user to supply correctly formatted data
|
||||
cost <- t(ds[-1]) #Transpose converts to matrix
|
||||
|
||||
num_groups <- dim(cost)[1]
|
||||
num_sub <- dim(cost)[2]
|
||||
|
||||
## Adding the option to introduce a bit of head room to the classes by
|
||||
## the groups to a little bigger than the smallest possible
|
||||
## Default is to allow for an extra 20 % fill
|
||||
if (is.null(cap_classes)) {
|
||||
if (is.null(excess_space)) {
|
||||
excess <- 1.2
|
||||
} else {
|
||||
excess <- excess_space
|
||||
}
|
||||
capacity <- rep(ceiling(excess*num_sub/num_groups), num_groups)
|
||||
} else {
|
||||
capacity <- cap_classes
|
||||
}
|
||||
|
||||
## This test should be a little more elegant
|
||||
## pre_assign should be a data.frame or matrix with an ID and assignment column
|
||||
with_pre_assign <- FALSE
|
||||
if (!is.null(pre_assign)){
|
||||
with_pre_assign <- TRUE
|
||||
pre <- split(pre_assign[,1],factor(pre_assign[,2],levels = seq_len(num_groups)))
|
||||
capacity <- capacity-lengths(pre)
|
||||
}
|
||||
|
||||
|
||||
i_m <- seq_len(num_groups)
|
||||
j_m <- seq_len(num_sub)
|
||||
|
||||
m <- MIPModel() %>%
|
||||
add_variable(grp[i, j],
|
||||
i = i_m,
|
||||
j = j_m,
|
||||
type = "binary") %>%
|
||||
## The first constraint says that group size should not exceed capacity
|
||||
add_constraint(sum_expr(grp[i, j], j = j_m) <= capacity[i],
|
||||
i = i_m) %>%
|
||||
## The second constraint says each subject can only be in one group
|
||||
add_constraint(sum_expr(grp[i, j], i = i_m) == 1, j = j_m) %>%
|
||||
## The objective is set to minimize the cost of the assignments
|
||||
## Giving subjects the group with the highest possible ranking
|
||||
set_objective(sum_expr(
|
||||
cost[i, j] * grp[i, j],
|
||||
i = i_m,
|
||||
j = j_m
|
||||
),
|
||||
"min") %>%
|
||||
solve_model(with_ROI(solver = "symphony", verbosity = 1))
|
||||
|
||||
## Getting assignments
|
||||
assign <- get_solution(m, grp[i, j]) %>%
|
||||
filter(value > 0) |> select(i,j)
|
||||
|
||||
if (!is.null(rownames(cost))){
|
||||
assign$i <- rownames(cost)[assign$i]
|
||||
}
|
||||
|
||||
if (!is.null(colnames(cost))){
|
||||
assign$j <- colnames(cost)[assign$j]
|
||||
}
|
||||
|
||||
## Splitting into groups based on assignment
|
||||
assign_ls <- split(assign$j,assign$i)
|
||||
|
||||
|
||||
## Extracting subject cost for the final assignment for evaluation
|
||||
if (is.null(rownames(cost))){
|
||||
rownames(cost) <- seq_len(nrow(cost))
|
||||
}
|
||||
|
||||
if (is.null(colnames(cost))){
|
||||
colnames(cost) <- seq_len(ncol(cost))
|
||||
}
|
||||
|
||||
eval <- lapply(seq_len(length(assign_ls)),function(i){
|
||||
ndx <- match(names(assign_ls)[i],rownames(cost))
|
||||
cost[ndx,assign_ls[[i]]]
|
||||
})
|
||||
names(eval) <- names(assign_ls)
|
||||
|
||||
if (with_pre_assign){
|
||||
names(pre) <- names(assign_ls)
|
||||
assign_all <- mapply(c, assign_ls, pre, SIMPLIFY=FALSE)
|
||||
|
||||
return(list("Group assignment"=assign_all,
|
||||
"Cost evaluation"=eval,
|
||||
"Group assigned"=assign_ls))
|
||||
} else {
|
||||
return(list("Group assignment"=assign_ls,
|
||||
"Cost evaluation"=eval))
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
## Assessment performance overview
|
||||
## The function plots costs of assignment for each subject in every group
|
||||
assignment_plot <- function(dl,cost_scale){
|
||||
require(ggplot2)
|
||||
require(patchwork)
|
||||
|
||||
y_max <- max(lengths(dl))
|
||||
|
||||
wrap_plots(lapply(seq_along(dl),function(i){
|
||||
ttl <- names(dl)[i]
|
||||
ns <- length(dl[[i]])
|
||||
cnts <- factor(dl[[i]],levels=cost_scale)
|
||||
ggplot() + geom_bar(aes(cnts,fill=cnts)) +
|
||||
scale_x_discrete(name = NULL, breaks=cost_scale, drop=FALSE) +
|
||||
scale_y_continuous(name = NULL, limits = c(0,y_max)) +
|
||||
# coord_cartesian(ylim=c(0,1)) +
|
||||
guides(fill=FALSE) + labs(title=paste0(ttl," (n=",ns,")"))
|
||||
# Sample data set is generated with rownames and colnames
|
||||
ds <- do.call(cbind,lapply(1:133,function(i){
|
||||
sample(c(1,2,3,4,5,rep(NA,12)),size=17)
|
||||
}))
|
||||
}
|
||||
rownames(ds) <- letters[seq_len(nrow(ds))]
|
||||
colnames(ds) <- paste0("sub",seq_len(ncol(ds)))
|
||||
|
||||
## Sample data set is generated with rownames and colnames
|
||||
# ds <- do.call(cbind,lapply(1:133,function(i){
|
||||
# sample(c(1,2,2,3,4,rep(0,12)),size=17)
|
||||
# }))
|
||||
# rownames(ds) <- letters[seq_len(nrow(ds))]
|
||||
# colnames(ds) <- paste0("sub",seq_len(ncol(ds)))
|
||||
# df[as.character(as.matrix(ds))==0] <- 17
|
||||
|
||||
## Clearing NAs and applying the max cost instead
|
||||
# Clearing NAs and applying the max cost instead
|
||||
# ds[is.na(ds)] <- 17
|
||||
|
||||
## I believe this would actually be the organic data set
|
||||
# df <- data.frame("ID"=colnames(ds),t(ds))
|
||||
#
|
||||
# df[as.matrix(df)==0] <- 17
|
||||
#
|
||||
# assigned <- df |>
|
||||
# group_assignment(cap_classes = rep(8, 17),excess_space = 1)
|
||||
#
|
||||
#
|
||||
# assigned$`Group assignment`
|
||||
#
|
||||
# assigned$`Cost evaluation` |> assignment_plot(1:5)
|
||||
# I believe this would actually be the organic data set
|
||||
df <- data.frame("ID"=colnames(ds),t(ds))
|
||||
|
||||
|
||||
## Special cases to consider
|
||||
## - duplicate scores
|
||||
## - missing scores
|
||||
## - Pre-assignment of special cases - SOLVED
|
||||
##
|
||||
## I believe we are ready for a shiny app!
|
||||
|
||||
# pre_grouped <- data.frame("ID"=sample(df$ID,10),"group"=sample(1:17,10))
|
||||
# assigned <- df |>
|
||||
openxlsx::write.xlsx(df,"assign_sample.xlsx")
|
||||
write.csv(df,"assign_sample.csv",na = "",row.names = FALSE)
|
||||
|
||||
|
||||
|
||||
|
||||
df[as.matrix(df)==0] <- 17
|
||||
|
||||
assigned <- df |>
|
||||
group_assignment(cap_classes = rep(8, 17),excess_space = 1)
|
||||
|
||||
df |> group_assignment()
|
||||
|
||||
|
||||
assigned$`Group assignment`
|
||||
|
||||
assigned$`Cost evaluation` |> assignment_plot(1:5)
|
||||
|
||||
|
||||
|
||||
|
||||
pre_grouped <- data.frame("ID"=sample(df$ID,10),"group"=sample(1:17,10))
|
||||
ds <- df
|
||||
|
||||
assigned <- df |>
|
||||
group_assignment(excess_space = 1.05,
|
||||
pre_assign = pre_grouped)
|
||||
|
||||
lengths(assigned[[1]])
|
||||
|
||||
#
|
||||
# ds <- read.csv("assign_sample.csv")
|
||||
#
|
||||
# ls <- read.csv("assign_sample.csv") |> group_assignment(cap_classes = 8, excess_space = 1)
|
||||
#
|
||||
# ls |> assignment_plot()
|
||||
#
|
||||
# lst <- ls
|
||||
#
|
||||
# "[["(ls,4) |> head(10)
|
||||
|
||||
# View(ls$export)
|
||||
#
|
||||
# pre_grouped <- data.frame("ID"=sample(ds$ID,10),"group"=sample(1:17,10))
|
||||
# write.csv(pre_grouped,"pre_grouped.csv",row.names = FALSE)
|
||||
#
|
||||
# assigned <- ds |>
|
||||
# group_assignment(excess_space = 1.05,
|
||||
# pre_assign = pre_grouped)
|
||||
#
|
||||
# lengths(assigned[[1]])
|
||||
|
||||
# ls <-
|
||||
# read.csv("assign_sample.csv") |> group_assignment(
|
||||
# cap_classes = 8,
|
||||
# excess_space = 1,
|
||||
# pre_assign = read.csv("pre_grouped.csv")
|
||||
# )
|
||||
Loading…
Reference in New Issue
Block a user