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Rating Stats for

Marek

Rating
1552.33 (7,279th)
Reputation
39,862 (2,802nd)
Page: 1 2 3 4 5 6
Title Δ
Getting the mean value for every Id in a data frame -0.33
Change the class of many columns in a data frame -0.57
Allocating a larger object in R? +1.83
apply strsplit rowwise -0.55
How to assign the result of the previous expression to a variable i... 0.00
R: speeding up "group by" operations +0.08
setting levels inside lapply loop in r -1.31
How to handle with empty dataframes in R? -0.41
how to pick up a set of numbers from the end of lines with irregula... -0.38
How to transform a dataframe of characters to the respective dates? -1.72
R: read contents of text file as a query? -0.32
values not being copied to the next (local) environment? -0.58
Drop down list implementation in R +1.75
read csv with dates and numbers with R statistical software +0.41
l_ply: how to pass the list's name attribute into the function? -1.08
Sorted quantile mean via Rpy -0.11
RODBC functions and errors/warnings 0.00
Calculate the sum of matrices in a list or a 3D array -1.80
Useful little functions in R? -0.64
view source code in R -0.54
Functions and try() in R 0.00
Extract values from data frame in R -0.36
R Numbers as column names of Data Frames -0.86
Creating multiple subsets all in one data.frame (possibly with ddply) +0.40
writing a ".rtest" output to file, using the R program (e... 0.00
selecting rows -4.11
avoidind a loop in R +3.15
Union in regular expression in R +3.60
ddply run in a function looks in the environment outside the functi... +0.45
Refer to relative rows in R -0.30
R summing in vectorized statements 0.00
R: generate a repeating sequence +1.45
Transforming R code into R style +3.17
Trimming a huge (3.5 GB) csv file to read into R +0.55
Trimming a huge (3.5 GB) csv file to read into R +3.59
Add a variable to a data frame containing max value of each row -2.41
Labeling with Percentage in R plot -5.11
How to use R's ellipsis feature when writing your own function? +3.85
How to skip extra lines before the header of a tab delimited delimi... +3.27
R: Print list to a text file -0.88
R: optimal way of computing the "product" of two vectors -0.41
Calculating all distances between one point and a group of points e... -2.56
how to substract numbers from levels -4.46
How do I specify a dynamic position for the start of substring? +2.04
R: preventing unlist to drop NULL values +3.43
break dataframe into subsets by factor values, send to function tha... 0.00
Avoid the use of loops (for) with R -0.40
Make PDF help files open automatically 0.00
large amount of data in many text files - how to process? -2.56
How do I sub sample data by group using ddply? -1.45