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Blue Magister

Rating
1493.71 (4,320,182nd)
Reputation
9,573 (16,046th)
Page: 1 2 3 4
Title Δ
Calculate new data.table columns by row values -1.95
How can i rescale every column in my data frame to a 0-100 scale? (... 0.00
Histograms with variable size binwidth in ggplot2 +0.51
How to sum column values uniquely in 2way relation on unique accoun... -0.47
How can you read a CSV file in R with different number of columns +2.70
R DataTable Join and constrain rows -0.49
Creating if + & statement +0.53
Roll up a data.table 0.00
Efficiently merging two data frames on a non-trivial criteria -0.18
datetime manipulation: Getting Tomorrow's Date +0.52
`geom_line()` connects points mapped to different groups 0.00
trouble in loop in R: matrix or data frame in the beginning? +0.39
Loop does not print function output +0.52
How do I convert this ggplot2 bar plot to a line plot? 0.00
Split a column by delimiter and replicate the related rows in R -0.71
Delete rows if one column entry of a dataframe is a substring of an... +0.16
open many file in one time and each store as one dataframe 0.00
Grep in R using OR and NOT +1.44
How to delete rows from a dataframe that contain n*NA -0.05
Paste column values together in a data frame +2.16
Updating Loop of Markov Matrix: subscript out of boundaries 0.00
expand.grid when one variable is really two columns +0.41
Create a 100 number vector with random values in R rounded to 2 dec... +1.29
Date arithmetic within an IN clause in a Teradata SQL query -0.47
Add a single line in histogram 0.00
How do I group by a variable and list by a random order in data.tab... +0.51
How to get na.omit with data.table to only omit NAs in each column 0.00
Replacing nested loop in R -0.09
Avoiding a loop on a strsplit list -0.59
Extract a portion of 1 column from data.frame/matrix +0.54
How to sample 1:x where x is a vector of random integers with lengt... -1.36
looking up strings in different columns in R 0.00
going nuts trying to write a simple function that operates on one c... +1.23
R returning a pair 0.00
data.table join and j-expression unexpected behavior -0.87
how to edit or modify or change a single line in a large text file... -3.71
Sampling in r without consecutive identical digits -1.63
restoring original order of a vector/matrix in r 0.00
Rotate graph by angle -2.48
score presence or abscence matrix in r -0.77
R Data Transformations +0.67
Data Transformations in R 0.00
R - rbind transposing single column matrix -0.05
Sample size and power calculation in r as viable alternative to pro... 0.00
Get the names of list variables when provided as function parameters +4.84
Alternative to for-loop to fill data.frame by unique rows -1.87
Searching a matrix for only certain records -1.73
R memory limit warning vs "unable to allocate..." 0.00
Subtraction on different rows and columns and separated by group +4.77
accessing parts of an object 0.00