Stratified index sample of different values in a vector.
Stratified index sample of different values in a vector.
sample_classes(vec, tot_sample)
vec |
Vector of values to sample from. |
tot_sample |
Total number of samples. |
A vector of indices that can be used to select a balanced population of values from vec
.
vec <- sample(1:5, 30, replace = TRUE) table(vec) sample_ind <- sample_classes(vec, 15) table(vec[sample_ind])
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