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New posts in r
How to calculate share per category within a column?
Oct 17, 2025
r
ggplot2
bar-chart
geom-bar
Overload matrix multiplication for S3 class in R
Oct 17, 2025
r
class
matrix
operator-overloading
use makeActiveBinding inside a package
Oct 18, 2025
r
How to create a matrix with four 1's in each row staggered
Oct 16, 2025
r
matrix
Haven: read_dta error() "Failed to parse /Users/folder/my_data.dta: Unable to allocate memory."
Oct 17, 2025
r
export
stata
r-haven
Fix date column in excel that imported to R as a mix of integers and character dates
Oct 17, 2025
r
date
import
In R, how do I drop a column whose values are all FALSE?
Oct 18, 2025
r
dataframe
subset
Finding the differences of paired-columns using dplyr
Oct 17, 2025
r
dplyr
Lowest common ancestor in igraph
Oct 17, 2025
r
igraph
graph-theory
tidygraph
Cumulative sum by group in sqldf?
Oct 17, 2025
r
sqldf
How to find the closest value from above the current row that meets a certain criteria?
Oct 18, 2025
r
dataframe
tidyverse
Looking for break patterns in row-wise sequences of values and NA's
Oct 17, 2025
r
dataframe
data-cleaning
sequential
Match several substitution patterns with a single expression
Oct 17, 2025
r
regex
string
gsub
Base R grep-family is much faster than `stringr` variants when dealing with factors
Oct 17, 2025
r
stringr
Different colors or shades for geom_point and geom_smooth on ggplot for multiple groups
Oct 17, 2025
r
ggplot2
Extract P values from coxph
Oct 17, 2025
r
mgcv GAM with betar
Oct 17, 2025
r
gam
mgcv
Plotly assigning colors based on label
Oct 17, 2025
r
colors
label
plotly
How to draw clock in R?
Oct 17, 2025
r
pie-chart
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