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Rating Stats for

Andrey Shabalin

Rating
1551.34 (7,539th)

Reputation
3,302 (51,149th)

Page: 1 2 3

Title	Δ
Generate all possible permutations of a binary matrix	0.00
Reading large csv file with missing data using bigmemory package in R	+3.27
fastest way to copy the first X lines from one file to another with...	+0.06
How to handle missing values in crossprod in R?	+4.46
How to quickly read a large txt data file (5GB) into R(RStudio) (Ce...	-4.29
How to work with huge matrices in R?	-0.36
R - Faster way to run multiple linear models with different design...	0.00
Error: unexpected '}' in: " }" Non-parametric vs....	0.00
Dummy Variable for each year	+3.05
trouble with for loops in R, replicating the Gram-Schmidt Orthonorm...	0.00
Making non normal data normal	-0.05
Matrix multiplication by row	0.00
compute all pairwise differences within a vector in R	-1.85
Speed-up inverse calculation of weighted least squares mean estimat...	+0.90
Speed-up inverse of weighted least squares covariance matrix in R	+0.04
Vectorizing loop over vector elements	+4.97
correlation matrix using large data sets in R when ff matrix memory...	0.00
How to compute huge diagonal matrix inverse (dim 14000*14000)	-2.22
When I wnat to build a big matrix, my code become extremly slow. Why?	-2.72
data.table alternatives to nested for-loop?	-0.46
When creating package, can I call function inside package while wri...	0.00
converting ascii number to strings in R	-2.48
How to select only the last row among the subset of rows satisfying...	+1.66
How to find the means of all columns of a matrix simultaneously	+4.12
Display way too small results in R	0.00
FOR loop in R; not getting what I want	-0.16
R : Updating a vector given a set of indices	+4.96
How to change elements in one matrix indexed in another matrix?	0.00
remove or find NaN in R	-1.74
efficient way to invert large correlation matrix	0.00
SVD calculation in R	-4.31
Creating Large Matrix in R	-0.29
empty data frame returned if there are no rows which meet the condi...	0.00
How to read multiple CSV files by creating function	+3.70
How to get the name of a reference class?	0.00
R crashes when trying to save list object ~1gb in size	0.00
Add pearson correlation coeffient on a scatter plot	+3.85
How to save data.frames respectively in a list?	+4.29
How to 'subset' a named vector in R?	+3.38
the bits in R to express integer	0.00
GotoBLAS2 with multiple cores	+0.53
Reshaping a data in R	-0.10
Vector to Matrix of Differences between elements	-4.11
R :Plot and save in a pdf file	0.00
R :Plot and save in a pdf file	0.00
Numeric matrix is taking far more memory than it should - R	-0.86
run loop to generate values that increment intermittently in R	0.00
sqlite: does dropping a database table delete the data?	0.00
Optimize SQLite table for 2 different searches	-0.01
Missing values in correlation calculation	0.00