Created
July 26, 2021 14:41
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Filter based on data nullness (?) across many columns
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| howMany <- function(x){ length(unique(x))} | |
| allSame <- function(x){ length(unique(x)) == 1} | |
| df %>% | |
| # Keep rows that have values for all columns that contain '-' | |
| filter(if_all(matches('-'), ~ !is.na(.))) %>% | |
| rowwise() %>% | |
| # Use c_across to work with rowwise | |
| mutate(num = howMany(c_across(matches('-')))) |
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