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minem

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1547.59 (8,701st) 		Reputation
2,495 (67,637th)
Page: 1 2 3
Title Δ
word splitting speed up n R 0.00
Make matrix from two columns of a dataframe and populate it by thir... -4.48
Speed up iterative loop calculation with R +4.14
Running a quicker calculation +3.71
Improve performance for computing Weighted Jaccard in a large matrix +3.76
Compare Lists in datatable +0.41
Faster Alternatives for for-loop +0.07
Manipulating data using apply functions -0.39
How to do operations on list columns in an R data.table to output a... -0.65
Create adjacency list from group info 0.00
How to efficiently check whether the identity of R list elements if... +4.53
How to transform a data.table into a list of columns that change pe... -2.54
Can this loop be sped up in R? 0.00
Identifying related records and assigning them unique IDs / data cl... +1.45
R data.table - quick comparison of strings 0.00
numeric comparison on multiple columns using referenced name for co... +2.42
Calculate rolling performance in R 0.00
How to improve speed of complex for-loop? +4.09
How to import many .txt files to R fast -0.15
Change multiple column names in R +0.09
building efficient for loop for user defined function: data.table -4.32
simplify call to use multiple logical criteria on one variable insi... -2.12
data.table by = xx How do i keep the groups of length 0 when i retu... +1.47
R Triangular Mesh -0.62
Making a loop with U-test in R 0.00
How do I optimize this R code currently using rbind()? 0.00
problems with a loop 0.00
Split a list based on common values +0.82
Finding shortest mean distances per index from a distance matrix in R -3.84
While loop with conditions using data.table +3.73
Combining the data of randomly selected participants with dplyr 0.00
R replace substring with itself and the following word (negation ha... 0.00
optimizing solution to find common third on large data set 0.00
Data table multiple condition with string vector -1.79
Subsetting rows based on multiple columns using data.table - fastes... -3.97
Speed up function for creating a list of triangles from mesh in R +1.90
How to update the row value with sequentially updated result of pre... +0.09
R: Fast query/match dataframe 0.00
Creating user sessions with fast computation -0.37
Speedup query for R data.table - can this two-argument function be... +1.73
Parsing timestamps takes a very long time 0.00
fast way to separate list of list into two lists -2.30
R: improving speed for t-test for each row in a data frame -0.34
Calculating numbers of 0 and 1 for different combinations of columns -0.39
Enhance performance in simulation of data frames 0.00
New column showing day of the week from Date in R 0.00
Multiply specific columns of one matrix with specific columns of an... +3.50
speed up if statement in data table on r 0.00
How to index columns uniquely? -1.24
Remove the Columns from testing data if the column is not present i... 0.00