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New posts in na
Is there a faster way to find the first value that is not NA in a large vector using base R?
Jul 13, 2026
r
performance
bigdata
na
How to handle or ignore NAs when using ifelse to mutate a new column with multiple conditions (solved)
Jul 07, 2026
r
if-statement
na
dplyr
Find the index of columns containing more than 5 NA values
Jul 05, 2026
r
dataframe
subset
na
Replacing NAs in R dataframe with zeros conditional on an id
Jul 06, 2026
r
dataframe
na
Do not remove na values in ggplot
Jul 04, 2026
r
ggplot2
na
getting odd value when trying to replace NA when using R
Jul 02, 2026
r
na
R control over number of consecutive NA values per row of data frame
Jun 20, 2026
r
dataframe
filter
na
missing-data
ifelse and POSIXct: coercion and default class of NA
Jun 19, 2026
r
date
types
posix
na
Merging data - Error in fix.by(by.x, x)
Jun 19, 2026
r
merge
na
zoo
data-files
marginal effects of mlogit in R
Jun 17, 2026
r
na
marginal-effects
R - Test if value is the same as the one in the cell above
Jun 13, 2026
r
if-statement
dataframe
dplyr
na
Python pandas - averaging 10 min measurements to 15min mean and 60min mean depending on the length of the data gap
Jun 11, 2026
python
pandas
mean
na
Missing data behaviour in lm: complete cases used even with predictors without missing data
Jun 10, 2026
r
na
lm
How to handle missing values (NA's) in a column in lmer
Jun 08, 2026
r
na
lme4
mixed-models
Deduplicating/collapsing records in an R dataframe
Jun 03, 2026
r
join
merge
dataframe
na
Can anybody explain the deep reason why here df.replace( ) end up with AttributeError: 'bool' object has no attribute 'to_numpy'? Thanks
May 28, 2026
python
pandas
dataframe
na
How to add a new row with one value and all other NA values in R
May 27, 2026
r
dataframe
na
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