filterdata: Remove/Drop Columns in which ALL or SOME values are NAs

In laresbernardo/lares: Analytics & Machine Learning Sidekick

Remove/Drop Columns in which ALL or SOME values are NAs

Description

This function lets the user remove all columns that have some or all values as NAs

This function lets the user remove all rows that have some or all values as NAs

Usage

removenacols(df, all = TRUE, ignore = NULL)

removenarows(df, all = TRUE)

numericalonly(df, dropnacols = TRUE, logs = FALSE, natransform = NA)

Arguments

df	Data.frame
all	Boolean. Remove rows which contains ONLY NA values. If set to FALSE, rows which contains at least one NA will be removed
ignore	Character vector. Column names to ignore validation.
dropnacols	Boolean. Drop columns with only NA values?
logs	Boolean. Calculate log(x)+1 for numerical columns?
natransform	String. "mean" or 0 to impute NA values. If set to NA no calculation will run.

Value

data.frame with removed columns.

data.frame with removed rows.

data.frame with all numerical columns selected.

See Also

Other Data Wrangling: balance_data(), categ_reducer(), cleanText(), date_cuts(), date_feats(), file_name(), formatHTML(), holidays(), impute(), left(), normalize(), num_abbr(), ohe_commas(), ohse(), quants(), replaceall(), replacefactor(), textFeats(), textTokenizer(), vector2text(), year_month(), zerovar()

Other Data Wrangling: balance_data(), categ_reducer(), cleanText(), date_cuts(), date_feats(), file_name(), formatHTML(), holidays(), impute(), left(), normalize(), num_abbr(), ohe_commas(), ohse(), quants(), replaceall(), replacefactor(), textFeats(), textTokenizer(), vector2text(), year_month(), zerovar()

Other Data Wrangling: balance_data(), categ_reducer(), cleanText(), date_cuts(), date_feats(), file_name(), formatHTML(), holidays(), impute(), left(), normalize(), num_abbr(), ohe_commas(), ohse(), quants(), replaceall(), replacefactor(), textFeats(), textTokenizer(), vector2text(), year_month(), zerovar()

Examples

data(dft) # Titanic dataset
str(dft)
numericalonly(dft) %>% head()
numericalonly(dft, natransform = "mean") %>% head()

laresbernardo/lares documentation built on April 25, 2024, 5:31 a.m.