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tmfmnk

Rating
1600.31 (1,765th)
Reputation
3,032 (55,783rd)
Page: 1 2 3 ... 25
Title Δ
drop groups if any of the entries is infinite from dataframe in R 0.00
Common elements by columns in high-dimensional matrix +0.46
equivalent of ave() in tidyverse ecosystem -0.43
Group by cumulative sums with conditions -1.14
How to take sample() of items that are paired in R and not lose pairs -1.80
Replace comma separated values in R from a lookup table +0.00
Determine length of sequences between columns or in string - and pa... +1.77
Convert a binary dataframe to a grouped (long) list of combinations -0.84
Comparing column values with rowSums -0.70
R - Dplyr - get() not applying to every column, only uses first occ... +1.72
How can I get a list of indices of values related to each other by... +1.42
Count length of sequential consequtive values per group in R -1.80
How to substract multiple column based on condition in R +0.98
How to add multiple new columns with the same logic based on calcul... +1.22
assigning a main id to observations that appear more than once -1.93
How to concatenate strings based on overlap in R? 0.00
Combination of mutate and select in dplyr - problem with column nam... 0.00
I need to create a function in R for mean without using the base fu... +0.52
How to match a column across multiple columns and return matching c... +1.56
how to dynamically create or call variables and functions in dplyr? +1.20
Create a time to and time after event variables -2.20
tidyverse do a pivot_wider with two different reshaping strategies... +0.41
calculate rowMeans by column groupings in R in dplyr without pivot_... -2.10
Select dataframe columns based on number in column name -0.64
How to string count unique values in data strings +1.16
dplyr mutate ifelse returning first value of group instead of by-row +1.38
Mutate all columns matching a pattern each time based on the previo... -0.31
concatenate vector of strings into a single string - for each row i... -1.42
Finding the differences of paired-columns using dplyr +1.39
adding a variable length padding to each element in a string/charac... +0.67
Split named numeric vector into different elements in R -2.11
Optimize computation in dplyr mutate function +0.38
Give fixed order for columns based on column names for different dfs +0.05
Cumulatively sum a portion of a previous value with its next value -0.94
R groupby and calculate special average +1.13
How to convert nested list with different datatypes to dataframe? 0.00
R dplyr: adding set of columns to other set of columns using dplyr 0.00
Adding a column that contain te missing values of an specific colum... +1.24
Construct a variable name using a string and another variable in th... +0.81
Is there a stable (non-deprecated) dplyr way of adding multiple col... 0.00
Finding rowwise minimum and column index in a tibble -0.33
dplyr::mutate() -- In a tibble nesting lists, how to ignore NULL ne... -2.05
How to pull ID's that are interlinked? 0.00
Indexing in user written functions to iterate over multiple variabl... 0.00
Create index for sequential occurences in group 0.00
Pivoting wide to long format and then nesting columns -0.29
How to add rows to a tibble at a specific place (index) without spe... -1.24
Can you use dplyr across() to iterate across pairs of columns? +0.38
How to produce a binary variable that takes value of 0 before the l... -0.47
Multiply Matrix R -1.30