data-manipulation

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Join many to one: combine related characteristics
user_115144750
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5
2
60
data-manipulation r
More efficient way of pandas dataframe manipulation: filtering and melting
user_194892090
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3
4
69
pandas data-manipulation dataframe python
Calculate the proportion of values every two rows by group in R
user_175976730
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2
1
63
dplyr data-manipulation r datatable
Apply mathematics operation im each entry of csv
user_167801620
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2
1
46
data-manipulation csv python-3.x python
Looping pipe operator code through multiple Dataframe in R
user_178889700
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2
2
46
data-manipulation dataframe r for-loop loops
Pandas: Find ratio of values for a column and then groupby on another column
user_1703390
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1
1
59
pandas-groupby pandas data-manipulation numpy python
Scanning and Replacing Values of Rows in R
user_181819160
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1
2
50
data-manipulation r
Check if the value exists in any other columns with Tidyverse
user_172133550
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3
2
59
dplyr tidyverse data-manipulation r
Subsetting dataframe by unique ID and closest date in R
user_154528980
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2
1
39
data-filtering data-manipulation dataframe r
Counting the Number of Combinations of Unique Values Per ID
user_132038410
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2
3
89
dplyr data-manipulation r datatable
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