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tmfmnk

Rating
1600.31 (1,765th)
Reputation
3,032 (55,783rd)
Page: 1 2 3 4 ... 25
Title Δ
Efficient way to do multiple logical operations -2.55
Find matching values across columns +1.54
Matrix multiplication of each row in data frame -1.22
Extracting a function from a list -1.37
Sum rows in a column based on a condition in R -2.65
How do I count rows according to criteria and save it as vector? -1.38
Convert a vector of a numbers to consecutive integers in R +1.57
(tidyverse approach) calculating rowsum across several columns wher... +1.14
Efficient way to filter only first rows where condition is met? -0.81
How to find top n% of records in a dataframe and change it to 1, ot... -1.67
Alternatives to mutate & rowwise & grepl +0.07
Matching rownames with a string contained within a column +1.34
Creating a function to split single number in approximately equal g... +1.02
Replacing diagonal elements using dplyr pipe -0.73
Filter "either" "or" with dplyr +1.32
How to create a logical vector that indicates whether the values in... +1.35
Rowwise, how to specify which column a certain value is from? -2.13
R: How to calculate rates between observations by group? +1.26
tidyverse concatenate characters across columns does not work with... +0.25
Create an array of repeated numbers based on percentage 0.00
Wilcoxon matrix on all factors of a column 0.00
R - Nest column values into a a single column (type list) of vectors -2.66
Detecting if multiple characters are found within group of string v... +1.34
How to extract last occurrence of a particular 'string' fro... +1.13
How to flag a progressive decrease in values in list +0.40
set to zero row values lover than rowmean +1.74
R sequence format from raw sequence to shortened code +0.94
replicate dataframe with vector +0.34
How to Count number of rows in every column that meets a specific c... +1.54
Decoding character strings vectors in R +1.74
Finding cumulative second max per group in R +1.04
Count occurrences of elements in a vector that occur in another vec... +0.53
Replace several values and keep others same efficiently in R -0.53
Keeping elements (from list of vectors) that do not have a proper s... +1.55
Recode levels of multiple factors to specified range +0.46
How to find unique couples of numbers in a vector in R? -0.49
Separate to split one column to multiple -2.66
calculate totals in each column and then run a fishers test in R +2.12
Non consecutive combinations of array elements in R +1.12
How to sum values by groups in sequence +1.28
How to select top percent of matching values between columns in r? -2.45
Filtering by conditional values in R +1.52
Return the multiply of a column +1.16
Calculate Longest Consecutive Sequence Across Columns in a Data Fra... -2.56
R how to find a series of common values in a vector (identifying gr... +1.82
How to make continuous a discontinuous sequence of character number... +0.93
Count of a string of values between values -0.76
Combine rows based on conditionals +0.33
count even numbers in a list or vector in R -0.10
Fill in values based on signals in columns +1.64