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Fill first (only one) NA with next non-NA value by group using dplyr/tidyr

r performance dplyr tidyr na

Return list of column names with missing (NA) data for each row of a data frame in R

r dplyr na

How does dplyr::slice_min / dplyr::slice_max handle NA values with grouped data?

r dplyr tidyverse slice na

How can I use different variables to calculate a new variable, depending on which variable has missing values?

Fill NA values in a data frame according to another data frame

r dataframe na

How can I assign NA?

r if-statement na

How to replace NAs based on preceding and following numbers are zero

r matrix na

Handle Continuous Missing values in time-series data

r time-series na

R dataframe: how to "populate" missing data in df1 using df2

r dataframe replace merge na

Replace Inf in R data.table / Show number of Inf in colums

r data.table infinite na

Difference between NA_real_ and NaN

r nan na

Error in simpleLoess: NA/NaN/Inf in foreign function call

Remove NA in a data.table in R

r data.table na missing-data

Why pmax(dataFrame, int) would introduce NAs?

r dataframe na

How can I filter by NAs in R programming with Dplyr

r dplyr na

How to calculate mode in R but removing NA values

r na mode

R: How to remove element from list by value or type

r list loops na

convert duplicates into NA

r duplicates na

Efficient row-wise string concatenation with NA omission

r string data.table na

Count non-NA values by group [duplicate]

r dplyr group-by count na