data-manipulation

388 Questions
Newest Active Unanswered Frequent
Score
View
Card Compact
Replace Numeric Columns of dataset from other columns
user_142849450
•
1
1
39
pandas data-manipulation python
pandas conditionally shift or forward fill another column by group
user_76518450
•
2
3
217
rolling-computation pandas data-manipulation dataframe python
Pandas Create a new Column which takes the Most Frequent item Description given Item Codes
user_85338130
•
1
1
24
pandas data-manipulation dataframe python-3.x python
Get the first non-null value from selected cells in a row
user_154528980
•
4
5
398
data-manipulation r
pivot_longer with column pairs
user_60948980
•
3
1
83
tidyr data-manipulation pivot-table dataframe r
Creating new column by splitting a `chr` column, finding unique values, sorting them, removing certain values, and combining them back into one string
user_86670160
•
1
2
36
dplyr tidyverse data-manipulation dataframe r
If I have a DataFrame with a number of columns, how do I count variables that exceed a threshold?
user_43927810
•
3
2
56
data-manipulation dataframe filter r function
using if-else logic to compute different values of new vectors in a data frame
user_37243180
•
1
3
36
data-manipulation if-statement r
How to create a pandas dataframe that contains ordered lists based on analysis conditions applied on multiple columns
user_180314320
•
2
2
74
pandas data-manipulation dataframe python
How can I change the direction of edges in python igraph?
user_59423720
•
2
1
291
igraph data-manipulation graph python
Hot Questions