data-manipulation

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Error: Each row of output must be identified by a unique combination of keys. Keys are shared for 2 rows: when using Unnest_token and spread
user_145660540
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1452
dplyr data-manipulation dataframe compiler-errors r
Error: Must extract column with a single valid subscript. x Subscript `var` has size 268 but must be size 1. Code and dataframe include
user_145660540
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6487
tidyverse data-manipulation dataframe r
How to separate a string column into multiple columns?
user_145660540
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62
data-manipulation dataframe r string
report t.test value efficiently in R
user_92092030
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82
tidyr dplyr tidyverse data-manipulation r
Print the significance of the relationship and correlation in the same table
user_92092030
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148
tidyr tidyverse data-manipulation tidy r
Calculate difference between rows in R based on a specifc row for each group
user_40601580
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227
difference dplyr data-manipulation dataframe r
How to use summarise to take the value of an variable that corresponds to the max. value of another variable?
user_60425760
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48
tidyr dplyr tidyverse data-manipulation r
Filter one dataframe based on the last two digits of another dataframe's value under one column in R
user_153705840
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67
master-data-management data-manipulation r
Pandas Dataframe - replace value with boolean mask
user_102756490
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119
pandas data-manipulation dataframe boolean python
Reordering columns using common names - dplyr
user_55716860
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54
dplyr data-manipulation r
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