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New posts in dplyr
listcolumns and multidplyr
Nov 19, 2025
r
parallel-processing
dplyr
Select first row in each contiguous run by group
Nov 19, 2025
r
dplyr
group-by
sequence
dplyr: mean of a group count
Nov 19, 2025
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aggregate
dplyr
How to convert week and year columns to a date column with lubridate in R
Nov 17, 2025
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lubridate
expand a data frame in R
Nov 18, 2025
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dplyr
tidyverse
How to filter a string variable for values starting with a letter
Nov 16, 2025
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Remove non-last rows with certain condition per group
Nov 17, 2025
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dataframe
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R: Collapse duplicated values in a column while keeping the order
Nov 17, 2025
r
dplyr
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distinct
Discard value=1 across entire row
Nov 16, 2025
r
dataframe
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filter
delete-row
group_by, get most frequent and second most frequent
Nov 18, 2025
r
group-by
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R: How to calculate mean for each row with missing values using dplyr
Nov 17, 2025
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Using summarize_all and summarize together in dplyr
Nov 16, 2025
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dplyr
Pass data frame columns as arguments to mutate function
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function
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How to do summarize group by category and count of a subgroup in dplyr
Nov 15, 2025
r
dataframe
dplyr
group-by
summarize
How to remove duplicates based on missing data in another column?
Nov 11, 2025
r
dplyr
filter
duplicates
How to delete duplicates from groups in R where group is formed by three columns
Nov 10, 2025
r
dataframe
dplyr
unique
Combine rows in data frame without grouping
Nov 09, 2025
r
dataframe
dplyr
group-summaries
Coalesce columns and create another column to specify source
Nov 09, 2025
r
dataframe
dplyr
How to do a conditional join in R with dplyr?
Nov 08, 2025
r
join
dplyr
data-manipulation
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