apply

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Quicker alternatives to apply function when performing row wise computations on a data frame
user_168091520
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2
1
187
apply dataframe r function performance
How do I properly call a function and return an updated dataframe?
user_150273950
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3
3
485
apply dataframe python
Pandas: each cell is a list, how to perform element-wise subtraction between cells?
user_60573710
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2
3
77
data-munging pandas apply python
Replacing for loop across a list of same-dimensional matrices for more efficiency
user_167847440
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3
1
55
markov apply r for-loop matrix
Optimize Apply to create an list of string with Boolean columns
user_123167010
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2
1
42
pandas apply lambda python
How improve speed/memory of logic when obtaining the unique record of a cross joined table based on the dates of two different columns?
user_147397610
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2
1
39
pandas rank apply where-clause python
Indexing position of 1s in matrix using R apply
user_165626260
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2
3
91
apply r matrix loops
Calculating temporal and sptial gradients while using groupby in multi-index pandas dataframe
user_104593660
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1
1
47
multi-index pandas apply group-by numpy
How to change matrix entries using conditional if in R
user_132826700
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15
5
1714
apply conditional-statements if-statement r matrix
Automatic num-to-char conversion in R using apply and data.table
user_52242360
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3
2
83
data.table dplyr apply r
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