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New posts in r
Copy value from one column to the next given a condition
Dec 12, 2025
r
How can I create a matrix with a vector of 1 in the diagonal?
Dec 12, 2025
r
matrix
Fill in Blank Fields With a Value From Same Key Index
Dec 12, 2025
r
data.table
Stealing methods and data from other R packages
Dec 12, 2025
r
policy
obtain the values from a checkboxgroup only once in shiny
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r
shiny
R: Speed up multiple lm()
Dec 12, 2025
r
performance
loops
lm
Using grepl to extract a value from text across multiple columns
Dec 12, 2025
r
if-statement
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Remove duplicate columns in a list of dataframes r
Dec 12, 2025
r
list
dataframe
duplicates
R lattice: How to adjust the legend marker line width?
Dec 12, 2025
r
width
line
legend
lattice
Speeding up a function: checking NA count before computing mean
Dec 12, 2025
r
algorithm
vectorization
apply
na
Indicate geom_errorbar outside log10 scale limits w/o using geom_segment
Dec 11, 2025
r
ggplot2
Connect To Amazon DocumentDB with R Mongolite
Dec 12, 2025
r
ssl
mongolite
aws-documentdb
Extract reachable rows based on id
Dec 11, 2025
r
dplyr
data.table
tidyverse
plyr
How to create a sequence column for repeated values?
Dec 11, 2025
r
Reshape data to split column values into columns
Dec 12, 2025
r
dplyr
reshape
Write markdown documents with R code that doesn't work, on purpose
Dec 11, 2025
r
markdown
knitr
Passing in-memory data to an R script to create a model
Dec 12, 2025
java
r
data-modeling
jri
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