Na by column r

df <- data.frame(x = c(1,2,NA), y = rep(NA, 3))

# Which column has na?
colSums(is.na(df))[colSums(is.na(df)) > 0]

# which rows?
df[which(rowSums(is.na(df)) > 0),]

Similar codes

1 vote185 views1 answer
Suppress error r
R
0 vote179 views1 answer
Convert all numeric columns to percentages R
R
0 vote187 views1 answer
Geom_jitter transparency
R
1 vote188 views1 answer
R how to import tsv file
R
1 vote180 views1 answer
Show factor levels in r
R
12 votes250 views5 answers
Regex examples
R
0 vote198 views1 answer
Imputation in r
R
1 vote182 views1 answer
Automatically wrap r text label ggplot
R
0 vote190 views1 answer
Convert country code to country name in r
R
3 votes197 views4 answers
How to read csv file in r
R