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Top Questions
17
votes
Why can you loop through an implicit tuple in a for loop, but not a comprehension in Python?
python
python-3.x
loops
for-loop
list-comprehension
asked Dec 13, 2016 at 17:45
stackoverflow.com
11
votes
How do you keep table rows together in python-docx?
python
xml
pagination
python-docx
asked Jan 10, 2017 at 21:08
stackoverflow.com
7
votes
Dynamically create editable DT in shiny app
r
shiny
reactive
dt
asked May 12, 2023 at 21:02
stackoverflow.com
6
votes
Get a list of indexes for list A based on criteria in list B in Python
python
performance
asked Jul 25, 2016 at 20:08
codereview.stackexchange.com
5
votes
Why is $ a valid operator on NULL?
r
data-structures
asked Feb 8 at 0:09
stackoverflow.com
Top Answers
81
Sum across multiple columns with dplyr
stackoverflow.com
41
dplyr filter with condition on multiple columns
stackoverflow.com
37
Counting Letter Frequency in a String (Python)
stackoverflow.com
20
Rename all columns except id column by adding a prefix using dplyr
stackoverflow.com
16
Format number in R with both comma thousands separator and specified decimals
stackoverflow.com
15
Canonical tidyverse method to update some values of a vector from a look-up table
stackoverflow.com
13
Convert from lowercase to uppercase all values in all character variables in dataframe
stackoverflow.com
11
Concatenate a vector of strings/character
stackoverflow.com
10
How to remove hyphens from a list of strings
stackoverflow.com
10
How to use a variable in dplyr::filter?
stackoverflow.com
9
How do I replace NA values with zeros in an R dataframe?
stackoverflow.com
9
dplyr rowwise sum and other functions like max
stackoverflow.com
8
How to select last N observation from each group in dplyr dataframe?
stackoverflow.com
8
List of data.frame's to individual excel worksheets - R
stackoverflow.com
7
Filter data frame using the last_col() function in dplyr R
stackoverflow.com
7
Remove * (significance) from ggpairs
stackoverflow.com
7
Iterate over specified columns for crosstabs in R
stackoverflow.com
7
dplyr filter by the first column
stackoverflow.com
7
Canonical tidyverse method to update some values of a vector from a look-up table
stackoverflow.com
7
How can I apply a custom function that adds new columns to a dataframe to a subset of existing columns?
stackoverflow.com
7
Is there an easy way to make an horizontal single stacked Barplot with R?
stackoverflow.com
7
Add empty columns to a dataframe with specified names from a vector
stackoverflow.com
7
'safe' seq() idiom in base R?
stackoverflow.com
6
Python Pandas Accessing values from second index in multi-indexed dataframe
stackoverflow.com
6
First entry from string split
stackoverflow.com
6
How to perform multiple string pattern replacement without overwriting previous replacements?
stackoverflow.com
6
Using pivot_longer for multiple untidy columns
stackoverflow.com
6
How to filter all observations for the last measurement year prior a cut-off year and all of the observations for all years past the cut-off year
stackoverflow.com
6
substringing {.col} from mutate(across()) on the fly
stackoverflow.com
5
purrr::pluck - how to get last element of list
stackoverflow.com
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