data-wrangling

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Reverse the order of non-NA values in a variable
user_41988680
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2
2
143
data-wrangling dplyr r
How to get Pandas df.merge() mismatch column name
user_6591490
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4
3
533
data-wrangling pandas python
How to sum a dataframe column of lists of numbers in string form?
user_100968580
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2
2
149
data-wrangling pandas dataframe python
Create a new column based on the the values and heading of another dataset
user_155505170
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3
3
162
data-wrangling tidyr dplyr dataframe r
Tidy data with variable in intermittent rows
user_30466530
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3
3
68
data-wrangling tidyr tidyverse r
Filtering , classifying and creating a new variable based on a reference datetime
user_155871840
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2
1
40
data-wrangling tidyverse filtering r date
Transforming data in R for multiple samples
user_152865920
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2
2
54
data-wrangling r
Create a new variable containing the column name in case the value isn't NA
user_115761240
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2
1
39
tibble data-wrangling dplyr dataframe r
search string in pandas column
user_126483020
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2
2
227
data-wrangling pandas dataframe python string
R: duplicate values row-wise based on group then select rows that match a criteria - unusual wrangling problem
user_154783220
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2
2
100
data-wrangling dplyr data-cleaning r
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