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library(dropR)
data("dropRdemo")
qs <- which(grepl("vi_", names(dropRdemo)))
dropRdemo <- add_dropout_idx(dropRdemo, q_pos = qs)
stats <- compute_stats(dropRdemo,
by_cond = "experimental_condition",
no_of_vars = length(qs))NOTE: Chi-sq. tests are only available when an column denoting the experimental condition is given.
Let’s compute a Chisq test at question 15 for experimentatl
conditions 11 and 12. dropR’s dropout
Chisq-Test returns a list containing the actual test results
and dropout overview table at the selected question.
do_chisq(stats,
chisq_question = 15,
sel_cond_chisq = c('11','12'),
p_sim = TRUE)
#> $`Test result`
#>
#> Pearson's Chi-squared test with simulated p-value (based on 2000
#> replicates)
#>
#> data: test_table
#> X-squared = 1.1979, df = NA, p-value = 0.3253
#>
#>
#> $`Dropout at question 15`
#> participants
#> conditions dropout remaining
#> 11 14 58
#> 12 7 50kpm <- do_kpm(df = add_dropout_idx(dropRdemo, qs),
condition_col = "experimental_condition",
model_fit = "total")
kpm$model_fit
#> [1] "total"head(kpm$steps)
#> x y uppr lwr condition
#> 1 0 0.3821138 0.4479241 0.3259726 total
#> 2 1 0.3821138 0.4479241 0.3259726 total
#> 3 1 0.3373984 0.4019727 0.2831975 total
#> 4 2 0.3373984 0.4019727 0.2831975 total
#> 5 2 0.3252033 0.3893417 0.2716307 total
#> 6 3 0.3252033 0.3893417 0.2716307 totalhead(kpm$d)
#> obs_id experimental_condition vi_1 vi_2 vi_3 vi_4 vi_5 vi_6 vi_7 vi_8 vi_9
#> 1 7a9f33 11 1 1 1 1 1 1 1 1 1
#> 2 e11f94 22 1 NA 1 1 1 1 NA NA NA
#> 3 e72a50 22 1 NA 1 1 1 1 1 1 1
#> 4 f90f5f 11 1 1 1 1 1 1 1 1 1
#> 5 20bc72 12 1 NA 1 1 1 1 1 1 1
#> 6 76b97a 22 1 NA 1 1 1 1 1 1 1
#> vi_10 vi_11 vi_12 vi_13 vi_14 vi_15 vi_16 vi_17 vi_18 vi_19 vi_20 vi_21 vi_22
#> 1 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 2 NA NA NA NA NA NA NA NA NA NA NA NA NA
#> 3 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 4 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 5 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 6 1 1 1 1 1 1 1 1 1 1 1 1 1
#> vi_23 vi_24 vi_25 vi_26 vi_27 vi_28 vi_29 vi_30 vi_31 vi_32 vi_33 vi_34 vi_35
#> 1 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 2 NA NA NA NA NA NA NA NA NA NA NA NA NA
#> 3 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 4 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 5 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 6 1 1 1 1 1 NA NA NA NA NA NA NA NA
#> vi_36 vi_37 vi_38 vi_39 vi_40 vi_41 vi_42 vi_43 vi_44 vi_45 vi_46 vi_47 vi_48
#> 1 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 2 NA NA NA NA NA NA NA NA NA NA NA NA NA
#> 3 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 4 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 5 1 1 1 1 1 1 1 1 1 1 1 1 1
#> 6 NA NA NA NA NA NA NA NA NA NA NA NA NA
#> vi_49 vi_50 vi_51 vi_52 do_idx surv
#> 1 1 1 1 1 0 0
#> 2 NA NA NA NA 6 6
#> 3 1 1 1 1 0 0
#> 4 1 1 1 1 0 0
#> 5 1 1 1 1 0 0
#> 6 NA NA NA NA 27 27These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.