stratify | R Documentation |
Split a dataframe into strata formed by each a unique value of stratification
.
stratify(ds, stratification = NULL)
ds |
(data frame) data to split into strata |
stratification |
(vector). Vector that identifies which subsets of
|
(list) List of strata
Other splitting functions:
apply_split_indexes_to_strata()
,
apply_split_indexes_to_stratum()
,
check_strata()
,
get_split_indexes_from_strata()
,
get_split_indexes_from_stratum()
,
split_df()
,
split_strata()
,
split_stratum()
# Stratify a data frame, then split it odd-even
ds <- data.frame(condition = rep(c("a", "b"), each = 4), score = 1 : 8)
strata <- stratify(ds, ds$condition)
split_strata(strata, method = "odd_even")
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