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All functions

add_row_id()
Add a row ID column to a data frame
as_numerical()
Coerce to numerical and identify non-numerical entries
cols_all_unique()
Identify columns with all unique values
cols_bijective()
Identify bijective (one-to-one correspondence) columns
cols_constant() cols_unary()
Identify constant columns
cols_identify_all()
Identify all columns with potential issues
cols_missing()
Identify columns that have certain proportion of missing values
cols_binary() cols_ternary() cols_multinary()
Identify columns with a specific number of unique values
cols_nested()
Nestedness checks
concurrence_matrix() concurrence_table()
Get the concurrence matrix or table
is_complete()
Is variable complete within another variable?
is_nested()
Is variable nested within another variable?
is_numerical()
Is the variable numerical?
is_observational_unit() is_obs_unit()
Is it the observational unit?
rows_missing()
Identify rows that have certain proportion of missing values
watch_tits
Coordination of care by breeders and helpers in the cooperatively breeding long-tailed tit
white_clover
A field experiment assessing the roles of drought, herbivory, and local climate for white clovers