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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th)

Reputation
36,309 (3,118th)

Page: 1 ... 8 9 10 11 12 ... 17

Title	Δ
R convert imported Excel numeric back from R factors to numeric	+0.45
An efficient way to append data in R	-2.04
Clarification of copying array semantics in R on assignment to array	0.00
Rank subsets of a dataset	+2.58
Prevent sorting of factor levels	+0.46
Why does `a ^ b` return a numeric when both `a` and `b` are integers?	+0.12
How to generate a matrix of difference of two vectors in R	0.00
Select row N based on values from row N-1 across list of data frames	-0.72
fread not recognizing a bare + or - as a character field	-0.59
Blockwise sum of matrix elements	+1.51
Negative number of rows in data.table after incorrect use of set	0.00
R rep function with overwriting elements	+0.47
R Replace missing elements in a textConnection with NA	0.00
Finding vector elements with a length longer than 1 in R	+0.07
R- Collapse rows and sum the values in the column	+0.46
R-generate a "missing values variable"	0.00
How to deleted by row in large data frame	-0.03
find combination pairs of attribute variables	+2.59
Weird behavior of R brackets	+0.47
Select first 80 observations for each level in R	-0.85
How do I create a variable based on selected characters from row.na...	-0.42
Changing the order of vector in terms of anthother in R	0.00
Why lag in r is not working for matrix?	-0.77
Sum column if other column value equals any value in a list	0.00
Generate multiple lattice plots on a grid using lapply in R	-0.72
order of coefficients in lm, R	0.00
How do I pass every element of a list to a function as unnamed argu...	+0.47
for loop on R function	-0.54
alternative to passing large matrices in R	+2.00
Sum vector with corresponding name	-1.28
look up for master data in R	0.00
Collecting an unknown number of results in a loop	+1.10
R: use two names of rows of data-frame to form column names in matrix	0.00
Rename a lot of column r	-0.33
using "if"statement in R	-0.12
Rotate a Matrix in R	+2.09
Control compilation order in Rcpp	0.00
In C, initializing an array using a variable led to stack overflow...	+0.38
Create a matrix of list without for loop in R	+0.60
Finding all pair combinations in strings with several comma seperat...	+0.60
C code called by R keeps crashing	0.00
geom_ribbon overlay when x-axis is discrete	+1.37
Merging two data frames in R by matching dates	0.00
Split dataset by grouping variable to create multiple bar plots at...	+0.48
Summing up specific entries in subset group (R programming)	-1.02
Matlab or R: replace elements in matrix by values from another matr...	+0.58
R: Subset: Using whole dataframe except one column	-1.08
Merge dataframes by a match in at least one of two columns	-0.50
Round number by rounding units in R	0.00
How to extract the dates in a separate file from a zoo file of secu...	0.00