Questions
Linux
Laravel
Mysql
Ubuntu
Git
Menu
HTML
CSS
JAVASCRIPT
SQL
PYTHON
PHP
BOOTSTRAP
JAVA
JQUERY
R
React
Kotlin
×
Linux
Laravel
Mysql
Ubuntu
Git
New posts in dplyr
Check if element of one dataframe is in another dataframe, within group
Oct 29, 2025
r
dplyr
tidyverse
Creating individual dataframes from a grouped dataframe
Oct 29, 2025
r
dplyr
tidyverse
Multiply constant by previous row and accumulate result in R
Oct 29, 2025
r
dplyr
R: how to resample a datetime variable at the millisecond level?
Oct 28, 2025
r
datetime
dplyr
xts
lubridate
correlation matrix with p-value in R
Oct 29, 2025
r
dataframe
dplyr
Converting multiple columns to factors and releveling with mutate(across)
Oct 29, 2025
r
dataframe
dplyr
R: why group_by still requires "do" even when using quosures
Oct 28, 2025
r
dplyr
tidyverse
quosure
Stacked bar chart with group by and facet
Oct 28, 2025
r
ggplot2
dplyr
bar-chart
facet
Count observations over rolling 30 day window
Oct 28, 2025
r
dplyr
tidyverse
rolling-computation
windowing
Apply map function to grouped data frame in with purrr
Oct 28, 2025
r
dplyr
group-by
split
purrr
Recoding an entire data frame using label-value pairs stored in a different dataframe
Oct 26, 2025
r
dplyr
data-manipulation
How to convert one (comma split) column into multiple columns in R? [duplicate]
Oct 28, 2025
r
dplyr
tidyverse
tidyr
one-hot-encoding
`write.dbf` fails with an object of class `tbl_df`
Oct 28, 2025
r
dplyr
Enumerate events where n consecutive values are not NA [duplicate]
Oct 27, 2025
r
dplyr
Use case_when across columns to make a new column
Oct 28, 2025
r
string
dplyr
conditional-statements
case-when
How to fill NA's in a column if the column contains a number but leave NA if a column is all NAs
Oct 26, 2025
r
dplyr
tidyr
Reorder one row in tibble - move it to the last row
Oct 27, 2025
r
dplyr
Adding a row at the end of a group in R
Oct 27, 2025
r
dataframe
dplyr
Pivot wider and summarise whether level exists
Oct 27, 2025
r
dplyr
« Newer Entries
Older Entries »