drop_na_columns: Remove variables with NA values.

Description Usage Arguments Value Examples

View source: R/drop_na_columns.R

Description

drop_na_columns returns list of variables which have greater than a specified threshold number of NAs.

Usage

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drop_na_columns(population, variables, cutoff = 0.05)

Arguments

population

tbl with grouping (metadata) and observation variables.

variables

character vector specifying observation variables.

cutoff

threshold between [0,1]. Variables with an NA frequency > cutoff are returned.

Value

character vector specifying observation variables to be excluded.

Examples

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 population <- tibble::data_frame(
   Metadata_group = c("control", "control", "control", "control",
                      "experiment", "experiment", "experiment", "experiment"),
   Metadata_batch = c("a", "a", "b", "b", "a", "a", "b", "b"),
   AreaShape_Area = c(10, 12, 15, 16, 8, 8 ,7, 7),
   AreaShape_Length = c(2, 3, NA, NA, 4, 5, 1, 5)
 )
variables <- c('AreaShape_Area','AreaShape_Length')
drop_na_columns(population, variables)

cytominer documentation built on Sept. 18, 2017, 1:03 a.m.