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New posts in r
Is there a parallel implementation of GBM in R?
Dec 02, 2025
r
machine-learning
parallel-processing
gbm
How can I select rows from table A whose id matches those from table B, but whose (non id) values are different?
Dec 03, 2025
r
data.table
How to use multinomial function in C with Rmath.h
Dec 02, 2025
r
c
multinomial
Only strings can be converted to symbols within a function in R
Dec 02, 2025
r
symbols
quoting
rlang
quasiquotes
Grouped count aggregation in R data.table
Dec 02, 2025
r
count
aggregate
data.table
How to select some rows with specific date from a data frame in R
Dec 01, 2025
r
dataframe
rows
strptime in R returning NA
Dec 03, 2025
r
Create dplyr statements to later be evaluated in R
Dec 02, 2025
r
dplyr
rlang
Merging data using left_join based on a condition
Dec 01, 2025
r
unexpected string constant [closed]
Dec 03, 2025
r
Extract Group Regression Coefficients in R w/ PLYR
Dec 02, 2025
r
plyr
Structural Topic Modeling (stm) Error in makeTopMatrix(prevalence, data) : Error creating model matrix
Dec 01, 2025
r
topic-modeling
Create conditional sequence in dataframe in R
Dec 01, 2025
r
matrix
seq
ROC score in gbm package
Dec 02, 2025
r
roc
auc
gbm
Draw a polygon colored like this in R or Matlab
Dec 02, 2025
r
matlab
plot
graphics
polygons
Select only first or last value for each unique value in data table?
Dec 02, 2025
r
data.table
What is a native pipe if it does not exist? [duplicate]
Dec 03, 2025
r
pipe
magrittr
r-faq
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