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New posts in r

How to select the first n rows of each group in specified columns (after a join)?

r data.table

Are there any websites that monitor new R packages in the CRAN package repository?

r cran

Profiling the function 'library' in R

r profiling

Problems rendering rmarkdown from shared drive

r r-markdown knitr pandoc

Is there a parallel implementation of GBM in R?

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?

r data.table

How to use multinomial function in C with Rmath.h

r c multinomial

Only strings can be converted to symbols within a function in R

r symbols quoting rlang quasiquotes

Grouped count aggregation in R data.table

r count aggregate data.table

How to select some rows with specific date from a data frame in R

r dataframe rows

strptime in R returning NA

r

Create dplyr statements to later be evaluated in R

r dplyr rlang

Merging data using left_join based on a condition

r

unexpected string constant [closed]

r

Extract Group Regression Coefficients in R w/ PLYR

r plyr

Structural Topic Modeling (stm) Error in makeTopMatrix(prevalence, data) : Error creating model matrix

r topic-modeling

Create conditional sequence in dataframe in R

r matrix seq

ROC score in gbm package

r roc auc gbm
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