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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th) 		Reputation
36,309 (3,118th)
Page: 1 ... 9 10 11 12 13 ... 17
Title Δ
Matching multiple date values in R +0.43
subsetting data using multiple variables in R +0.49
Error in cut (): 'x' must be numeric 0.00
Count function for combinations of repeated observations and factor... 0.00
How can I vectorize access to neighbour vector elements in R? -1.53
Create dataframes AND named columns within a for loop using variables -0.04
Loop for matrices multiplication +2.36
How to find the mean of a continuous variable for each categorical... -0.55
Count occurrences of factor in R, with zero counts reported -1.72
How to plot a function that calculates the PDF? -1.69
Getting rid of a for loop in R 0.00
Frequency of non-unique instances while conditioning on groups with... 0.00
Unexpected behavior using -which() in R when the search term is not... +0.45
NaN is removed when using na.rm=TRUE -0.44
readLines unknown n +0.11
How to reduce table dimension based on column name +0.20
Interpolating data in R +1.36
Getting the minor element of a list +0.11
How can I find an orthogonal matrix in R? 0.00
trouble with apply statement in R 0.00
R duplicated rownames with original number +1 0.00
R , linear regression 0.00
Strip the date and keep the time -1.79
Using Sys.chmod to toggle world-readability in R 0.00
Wrong result from mean(x, na.rm = TRUE) 0.00
merge data frames to eliminate missing observations +1.23
Matching row entries with column names in R 0.00
Remove NA/NaN/Inf in a matrix +1.52
Hide zero before decimal point 0.00
use 'by'-style apply function but referencing other subsets -2.04
Efficient way to 'loop' in R -1.08
How to reshape multiple rows to a single row with several columns -1.05
Choosing one number out of two numbers. R 0.00
How to inverse a matrix in R 0.00
Looping through diagonal+1 of a matrix -0.63
Cut Function in R program +1.95
replace values with NA in R -1.73
vectorize head(which(t > x), n=1) for many values of x -0.97
How to efficiently extrapolate missing data for multiple variables 0.00
Remove the end of a URL string in R -0.03
Merge by column name R -2.27
R memory management - increasing memory consumption +0.45
R not using more than 4GB of memory +0.44
Why can't -qnorm in sapply? +1.52
How to align dates for merging two xts files? -1.84
Getting Factor Means into the dataset after calculation 0.00
What is wrong with this looping? +0.44
Recurrence Relation for a Decreasing Exponential Has Increasing Val... 0.00
Appending data frame1 with columns from data frame 2, row names 0.00
R + combine a list of vectors into a single vector +0.45