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Andrie

Rating
1652.08 (528th) 		Reputation
141,973 (412th)
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Title Δ
How to match two data.frames with an inexact matching identifier (o... -0.41
Return system.time from evaluated function +1.39
R 2.14 - detect packages without namespace +0.34
How to factorize specific columns in a data.frame in R using apply +1.86
Adding text to panels in lattice barchart 0.00
xy plot between strings and numbers 0.00
Split character in column and name +0.27
Extracting the last n characters from a string in R +0.51
How to aggregate data in timeSequence? +1.36
Obtain values through key vector (R) -0.57
Why does dmy() in the lubridate package not work with NAs? What is... -0.47
R: perfect smoothing curve +1.31
drawing a stratified sample in R +1.09
reading and constructing a table from a data frame with multiple co... +0.28
Plotting colored (heat) circular segments with R's 'shape' package... 0.00
Reading csv file, having numbers and strings in one column +0.82
matrix %in% matrix +1.19
efficient row-wise operations on a data.table -0.43
Converting cases to variables in R 0.00
Is there a faster way to get percent change? +1.21
Is there a "yield" like construct in R? +0.28
Best technique for timelines -0.20
Format numbers in charts as percentages +1.23
Setting column width in a data set -0.28
Creating a standardized data table entry from multiple different fo... +1.22
Capturing print output into a vector 0.00
What are the restrictions for the column classes in data.table? 0.00
Query SPSS file -0.55
Convert column classes in data.table 0.00
How to get a numbered list renumbering when a value changes +0.52
How to get every third record from a vector? +0.10
How do I select a sample of rows at random with repetition from a m... -2.61
Dealing with durations defined by days, hours, minutes and seconds... +1.30
How to reshape data into wide format? +0.29
Histogram with fraction in qplot / ggplot 0.00
Aggregate by year and month for a POSIX variable +0.74
Recode multiple responses into one in R +1.16
Spearman correlation loop in R -0.73
rworldmap package countrylist +1.13
What does bash in the devtools package do? +1.71
R and regexp: Extract name source from news +1.29
Elegant way to select the color for a particular segment of a line... +0.88
Drawing randomzation layout and filling with text +1.03
Extracting data (or reshaping) a data frame from an existing data f... -0.23
Extent of boundary of text in R plot +0.06
How to create a factor from a binary indicator matrix? +0.57
read.spss Extra variables/fields 0.00
Appending models to list +1.31
Grouping on multiple variables in R 0.00
Approximate lookup in R +1.21