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New posts in r
How can I create a new column with mutate function in R that is a sequence of values of other columns in R?
Nov 21, 2025
r
dataframe
dplyr
remove rows with >50% missing across certain columns in R
Nov 21, 2025
r
data-manipulation
Word count across subset of columns in one new column
Nov 21, 2025
r
How to find combination of two values such that the ratio and sum of those is fixed to certain numbers with R
Nov 21, 2025
r
algorithm
combinatorics
R turn a list value into a dataframe with two columns [duplicate]
Nov 21, 2025
r
Find the Maximum Value with respect to another within two data frames (VLOOKUP which returns Max Value) in R
Nov 20, 2025
r
dataframe
dplyr
Adding a countdown to data.table [duplicate]
Nov 19, 2025
r
group-by
data.table
sequence
How to Specify Width and Height of a Flextable
Nov 21, 2025
r
r-flextable
Using mutate, case_when, across, and string detect to evaluate patterns in multiple columns to create a new column
Nov 21, 2025
r
case
mutate
across
Webscraping an image in a column with R
Nov 21, 2025
r
web-scraping
lpsolve - unfeasible solution, but I have example of 1
Nov 21, 2025
r
linear-programming
lpsolve
Check if object exists in multi-level list at specified path
Nov 20, 2025
r
r-package
Converting (alpha) hulls to spatial polygon
Nov 21, 2025
r
polygon
r-sf
convex-hull
Coalesce multiple pairs of columns by name
Nov 21, 2025
r
function
loops
coalesce
Adjusted odds ratios using the or_glm() function?
Nov 21, 2025
r
glm
adjustment
Change reactive value in a tryCatch in shiny
Nov 21, 2025
r
shiny
Create empty spatial lines object
Nov 21, 2025
r
spatial
lines
r-sp
empty-list
rJava installation fails on macOS 10.14
Nov 21, 2025
r
rjava
macos-mojave
R Function to identify first positive observation by year
Nov 20, 2025
r
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