Plots missing data in a data.frame, possibly grouped by one variable and sorted by a second.

Plots missing data in a data.frame, possibly grouped by one variable and sorted by a second.

e_plot_missing(
  dat_plot,
  var_group = NULL,
  sw_group_sort = FALSE,
  var2_sort = NULL,
  sw_title_data_name = TRUE,
  sw_text_pct_miss = FALSE
)

Arguments

dat_plot

data.frame or tibble

var_group

variable name to group by (colors data)

sw_group_sort

TRUE/FALSE to sort by grouped variable

var2_sort

second variable name to sort by if data is grouped

sw_title_data_name

TRUE/FALSE to include data object name in title

sw_text_pct_miss

TRUE/FALSE to include text values of percent missing on bar plot

Value

               ggplot grob plot object

Examples

dat_miss = dat_mtcars_e
prop_missing = 0.10
n_missing = sample.int(n = prod(dim(dat_miss)), size = round( prop_missing * prod(dim(dat_miss))))
ind_missing = expand.grid(1:dim(dat_miss)[1], 1:dim(dat_miss)[2])[n_missing, ]
for (i_row in seq_along(n_missing)) {
  dat_miss[ind_missing[i_row,1], ind_missing[i_row,2] ] <- NA
}

e_plot_missing(
    dat_plot       = dat_miss
  , var_group      = "cyl"
  , sw_group_sort  = TRUE
  , var2_sort      = "disp"
  )
#> Warning: Using alpha for a discrete variable is not advised.