data-manipulation

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How to combine multiple DataFrame rows into 1 with a column containing list values
user_122031550
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3
2
40
pandas data-manipulation dataframe list python
Append first row by group to original data
user_86835770
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5
5
177
data-manipulation append r
Creating a list with column-wise partitions of a data.frame
user_36146480
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1
2
28
data-wrangling data-manipulation r
Aggregate a dataframe column based on a hierarichal condition from another column
user_122031550
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2
1
77
pandas data-manipulation dataframe python
Expand a matrix of rankings (1 ~ 4) to a bigger binary matrix
user_79892040
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6
3
151
ranking data-conversion data-manipulation r matrix
Add a value as a new row to a dataframe but keep all other columns NA
user_174915470
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2
2
48
data-manipulation row r
Separate positive values into multiple rows on multiple columns
user_134606020
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4
5
124
dplyr data-manipulation dataframe r
Data manipulation in R: Starting a new row if i > i-1
user_195253850
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1
3
43
reshape data-manipulation r function
Plotting X and Y variable based on grouping data by variable in separate columns
user_195332610
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3
1
52
matlab-figure data-visualization data-manipulation matlab
Ansible: split a dictionary with list values to a list of dictionaries with a single item from the list as value
user_180513910
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1
1
99
ansible data-manipulation dictionary
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