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

0 vote150 views5 answers
Vlookup in r dplyr
R
1 vote136 views1 answer
Add a vertical line in ggplot
R
0 vote138 views1 answer
Remove all empty strings from R
R
0 vote128 views1 answer
Generate pair in r
R
1 vote150 views1 answer
R range with step
R
0 vote132 views1 answer
Ggplot box plot without outliers poins
R
0 vote131 views2 answers
R predict type = prob
R
0 vote162 views1 answer
XLConnect
R
-2 votes141 views2 answers
What percentage of the row will the following column occupy on desktop devices: <div class="col-xs-3 col-sm-4 col-md-6 col-lg-12"></div>
R
0 vote138 views1 answer
Character to integer in r
R