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New posts in data-manipulation
Expand a matrix of rankings (1 ~ 4) to a bigger binary matrix
Sep 09, 2026
r
matrix
data-manipulation
data-conversion
ranking
Calculate rowsums of columns based on predefined range
Sep 10, 2026
r
dataframe
dplyr
data-manipulation
Updating specific rows of one data frame using another, without non-specifically overwriting other entries (R)
Sep 07, 2026
r
dataframe
data-manipulation
Combine rows within the same list of a list
Sep 07, 2026
r
data-manipulation
data-cleaning
Replace accents in string vector with Latex code
Sep 05, 2026
string
r
diacritics
data-manipulation
xtable
R: Recursive Averages
Sep 02, 2026
r
dplyr
data-manipulation
Format Specific Columns in kable
Aug 30, 2026
r
data-manipulation
kable
Change multiple columns based on condition in R
Aug 23, 2026
r
dplyr
data-manipulation
How to shift each row of a matrix in R
Aug 13, 2026
r
data-manipulation
Counting consecutive columns that satisfy a condition in R
Aug 10, 2026
r
dplyr
tidyverse
data-manipulation
counting
Using separate_wider_regex for to create a new row for each match in R
Aug 08, 2026
r
regex
tidyverse
data-manipulation
Pedagogical way of programming hierarchical clustering algorithm in R
Aug 07, 2026
r
algorithm
data-manipulation
hierarchical-clustering
find last row where at least one column is not NA
Aug 03, 2026
r
dataframe
dplyr
data.table
data-manipulation
Remove duplicate elements in a row from a data frame in R
Aug 03, 2026
r
dataframe
duplicates
data-manipulation
Convert wide format data to long format using SQL
Aug 03, 2026
sql
postgresql
data-manipulation
R - Add row index to a data frame but handle ties with minimum rank
Aug 01, 2026
r
data-manipulation
Get the number of days since last event
Aug 01, 2026
r
dplyr
tidyr
data-manipulation
How to split a 'CHR' column in R?
Jul 27, 2026
r
dataframe
split
data-manipulation
How to get value of last non-NA column [duplicate]
Jul 23, 2026
r
data-manipulation
dplyr
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