dplyr

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How to extract and convert first 6 digits of a 10 character-number into as.Date?
user_88113990
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2
1
147
dplyr dataframe r date string
How do I calculate the first value in each group from every other value in the group to calculate change over time?
user_113209620
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2
1
81
dplyr pandas r python
Selecting a row out of a group with conditions?
user_88310330
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2
3
168
dplyr dataframe r
dplyr group_by vector of column names?
user_349350
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3
1
409
dplyr r
How to join tables with multiple primary keys in R (efficiently)?
user_129087010
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3
1
902
dplyr tidyverse r join
Select specific columns, where the column names are in another df in r
user_119836590
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2
2
1231
dplyr tidyverse dataframe r
all dataframe rows to new columns
user_109521400
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2
3
51
purrr dplyr dataframe r
Row-wise multiplication of selected columns with dplyr
user_112380570
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2
2
473
dplyr tidyverse dataframe r
Remove all dates in a range over multiple years
user_109725710
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2
3
589
dplyr r date
Calculating the ratio between the average engine life expectancies
user_2657000
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3
1
37
data-wrangling dplyr dataframe r
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