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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th) 		Reputation
36,309 (3,118th)
Page: 1 ... 14 15 16 17
Title Δ
matching certain numbers at the end of a string -3.06
Adding a column between two columns in a data.frame +3.88
CRAN-R: Subset a dataframe bug or violation of semantics? 0.00
how to efficiently select rows with minimum value in R? -3.91
How does if statements in apply affect runtime 0.00
R: Substitute values in a dataframe under conditions -1.92
Count consecutive changes in a sequence using an index 0.00
data frame shift columns +4.29
Making a more efficient monte carlo simulation 0.00
Normalize a vector based on two other values -2.70
How to use function with variable in R? +2.71
Efficient way to merge a data frame with a list of lists based on a... 0.00
R Pipelining with Anonymous Functions +4.33
indexing operation removes attributes 0.00
Setting the default value in a function? -4.04
Reading binary file into R 0.00
remaining variables of the data set +4.47
How to split a string into substrings of a given length? 0.00
You can abbreviate list names? Why? -2.22
Effects of Loop unrolling on memory bound data 0.00
How to pass object in nested functions? 0.00
Determine Signficant Subgroups of Data Inputs +0.22
R - find all unique values among subsets of a data frame +4.24
I am getting 131 kb instead of 507 kb 0.00
Getting index of first occurrence of a value in every column of a m... -0.92
Is a loop the most effective way of doing operation between element... +4.31
A more detailed directory listing in R? 0.00
How to set cairo as default backend for x11() in R? 0.00
R. how make list of lists in R? -3.19
Extracting a string from a data frame -3.84
R - Order a factor based on value in one or more other columns 0.00
why R does not recognise columns and rows as they are supposed to be? 0.00
Preserving large numbers -2.25
Plotting in R software, how to magnify axis values in a large PNG f... +0.11
why does `x[0]` return a zero-length vector? -0.08
Co-occurrence matrix using SAC? -3.93
Join one data frame to another by membership in a range -3.12
Linking two tables and looking for association tables 0.00
Plotting Haar functions in R +0.16
barplot in loop in R -1.98
Comparing two vectors in an if statement -2.53
Unused arguments in R +4.23
Perform nonnegative matrix factorization in R 0.00
R regexp ignore.case and fixed dont work together 0.00
Adding legend to a margin of a multiple for loop plot 0.00
Copy many columns from one data.frame to another 0.00
R: selecting items matching criteria from a vector 0.00
R Programming Return Positions 0.00
Subsetting a data.frame given some criteria +4.10
Calculating weighted mean and standard deviation +4.16