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Aaron left Stack Overflow

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1546.58 (9,043rd)

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30,157 (4,055th)

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Title	Δ
Find indices of rows from matrix A in matrix B	-0.84
Use a Reference Class as Levels of a Factor	0.00
Optimization: splitting dataframe into a list of dataframes, transf...	-0.03
R: storing regression models	-0.52
R reshape to comparable long	+1.46
Dynamic references to figures in Sweave	0.00
Convert CSV data to a matrix to a heatmap in R	-0.81
'R' Matrix subset without loop	+1.34
Cumulative sum until maximum reached, then repeat from zero in the...	-1.06
Accurately converting from character->POSIXct->character with...	+1.61
complicated reshaping	-1.22
For-loop working but not as axpected	0.00
How to merge all elements of list in R?	-1.38
Defer expression evaluation without using `quote`	0.00
subsetting rows with logical comparisons when missing observations...	+1.49
Rearrange a matrix in R using two factors	+0.43
AUTORECODE from SPSS to R	0.00
Trouble passing on an argument to function within own function	+2.17
remove cases, all id's, for cases where NO changes have occured bet...	-0.39
Proper method to append to a formula where both formula and stuff t...	-0.53
Add intercept column to a dataset	+0.47
Searching and matching in data frames	-0.01
Scoping in custom lattice functions (group argument)	-0.26
How do I find the minimum row number for each factor in R?	+1.17
How to make column out of several rows?	-0.92
Enumerate instances of a factor level	-1.83
X scale values very compacted on R plots with lattice	0.00
Changing List to As.Numeric	-1.96
Rmpfr list variables: how are vectors coerced?	0.00
Looping through variable names in R	-1.50
Vectorize a for loop in R	0.00
Join and sum not compatible matrices	+1.27
Error using effects package in R; wrong variable type	-2.24
workflow between Latex and R screwed	+0.11
R Aggregate with rle function	-0.09
assign a value, if a number is in between two numbers	+1.86
dotplot in R with lattice: display of vertical axis and error bars	+1.03
How to create multiple plots, each with same plot area size, when o...	-0.03
Changing single column name (and pointing to it by functions)	-0.03
Removing per-panel unused factors in a bar chart	0.00
Computing linear regressions for every possible permutation of matr...	+0.50
How to facilitate nested for loops in R?	0.00
Mapping rows from one matrix to another. Shared unique ids	-0.50
Generate data where cell counts are random, but row sums always the...	+1.22
Sum up the results of a loop in R?	-1.02
R Grep file name for a variable	-1.34
Limits on NLME regression?	+0.46
R - setting up my own CRAN repository	-1.50
Converting Repeated Measures mixed model formula from SAS to R	+0.51
Create a new data frame column by picking a value in others columns...	+0.45