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Rating Stats for

matt_k

Rating
1494.07 (4,306,832nd) 		Reputation
1,974 (84,870th)
Page: 1
Title Δ
Using a function within a data.table extremely slow -1.93
Rolling decile rankings over time series without loop or using &quo... -3.93
formula parameter when plot svm objects using e1071 library 0.00
Finding the duplicates, average them and create a proper table 0.00
R : Efficient loop on row with data.table 0.00
R programming: Replace string in data frame if string in list +3.88
Plot fitted data from data frame as side-by-side barplot -1.91
How to find the exact number of a single letter in a string of char... -2.88
Calculate differences between unique pairings of data.frame variables +1.35
Calculating a group mean while excluding each cases individual value +4.61
Getting average value by month for certain months in R +0.37
R - sort() output missing a row 0.00
"Factor has new levels" error for variable I'm not using 0.00
replace loop with an *pply alternative -3.43
How to get the mean value of each column, group by sth? -3.91
Translating a union type subset from data.frame to data.table 0.00
ggplot normalize a group histogram by group 0.00
Graphing Genotypes w/ R plot or hist 0.00
Summarize two columns given unique combinations -4.20
How to use some apply function to solve what requires two for-loops... -2.70
How to produce a meaningful draftsman/correlation plot for discrete... -2.02
combine tables into a data frame +1.78
List values of one column by another -3.32
Basic questions on predict() using rpart model 0.00
R - divide into smaller data frames based on information in a column +4.12
Removing duplicates from the data -3.28
Repeating univariable GLM with several different variables -4.18
automating a normal transformation function in R over multiple colu... 0.00
Easier way to run a program in r. Two for's 47,022,066 operations +4.03
Only one observation but 2 points in ggplot2 qplot? 0.00
ggplot: plot multiple answers coded as dummy variables +3.82
factor levels order modified after aggregation with data.table +3.62
Text Analysis using R -0.22
How to make prediction based on a set of rules in R +4.41