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Rating Stats for

Ricardo Saporta

Rating
1533.06 (16,004th)

Reputation
41,631 (2,640th)

Page: 1 ... 7 8 9 10 11 ... 16

Title	Δ
Converting Dataframe to LIST	0.00
User input when executing R code in batch mode	+0.05
Combine rows and sum their values	+0.55
Functional way to stack list of 2d matrices into 3d matrix	+0.09
collapse rows in dataframe w/NA values	+1.29
convert data.frame to a numeric matrix	+0.49
R summarizing multiple columns with data.table	0.00
R - My conditional and nested for loop take too long. How to vector...	0.00
Multiple outputs from single menu	-1.49
Collecting an unknown number of results in a loop	-0.71
Calculate cumulative product based on date by category	0.00
Newly added column in 'j' of data.table should be available in the...	0.00
ggplot2 two data.frames, doesn't know how to deal with data of clas...	0.00
Rename a lot of column r	+0.33
How to select/find coordinates within a distance from a list (X/Y)...	+0.55
Interleave lists in R	-0.95
How to aggregate selective content in a table?	0.00
Subset of a data frame with the penultimate values of one of the co...	+2.76
How is TRUE interpreted when used as matrix index?	+0.44
R using a higher order function to give all rows in a matrix an add...	+0.56
Casting closure to character in R	+0.54
Compute mean and standard deviation by group for multiple variables...	-0.34
Encoding in R like Python ("ord" and "chr")	0.00
applying function on data.table having two columns as factors	-1.14
R How to generate unique list outputs using if statements in a for...	+0.04
generating a subtable from a csv file based on another list	-0.48
In R, is it possible to extact the first 2 rows for each date, from...	0.00
Why I obtain wrong answer when using "=="	+0.54
Discarding non-decimal values in R	0.00
Use the original matrix to get a couple of new matrices	-0.45
Quickest way to duplicate rows in data.frame	0.00
combine only values across two columns in r	+0.87
R idiom for vector lookup	+3.00
using apply with assign in R	+0.55
In R, how can I loop over data frames?	0.00
Does ifelse really calculate both of its vectors every time? Is it...	0.00
writing the equivalent of an empty cell in excel to a txt	0.00
Set single raster to NA where values of raster stack are NA	-0.39
Dummy variables from a string variable	+1.34
R table by matrix row	-0.69
Facet with free scales but keep aspect ratio fixed	-1.83
What is the difference between <NA> and NA?	+2.96
Get the attribute of a packaged function from within itself	+0.55
skipping NULL output in apply	0.00
Which scope rule do R and C# differ in this case?	+2.16
Find indices of rows from matrix A in matrix B	+1.71
Change data.frame in *_ply function	0.00
Speed of vectorized operation dependent of number of columns of dat...	-1.20
How to bind a vector and a matrix when the number of rows is changing	-0.44
Adding maximum values from different levels to a new column in a da...	+1.41