How to combine multiple conditions to subset a data-frame using "OR"?

How to combine multiple conditions to subset a data-frame using "OR"?

r conditional dataframe

r

Subset elements in a list based on a logical condition

list r conditional

r

The condition has length > 1 and only the first element will be used

r if-statement conditional calculated-columns

r

Exclude subsequent duplicated rows

r conditional duplicate-data

r

Create duplicate rows based on conditions in R

r duplicates conditional data.table

r

xtable for conditional cell formatting significant p-values of table

r formatting latex conditional xtable

r

How to force an error if non-finite values (NA, NaN, or Inf) are encountered

r debugging conditional nan

r

R, conditionally remove duplicate rows

r conditional duplicates

r