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mrip

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1555.29 (6,547th) 		Reputation
10,814 (13,929th)
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Title Δ
A tricky loop in R? 0.00
Performing a weighted distance between matrix rows with matrix oper... 0.00
Identify 1-digit nearest neighbors for each row in large matrix 0.00
Crosstabulate and summarize factors by another shared factor +0.34
How to use sapply to access alternate rows and form matrix from it -0.98
Generate mathematical functions using for loop -0.82
Nonlinear multiple regression in R +1.62
Testing alphas and betas on portfolios with R +0.27
How extreme values of a functional can be found using R? +0.79
Outputting multiple arrays of data in R 0.00
How to speed up this simple function in R -0.21
How to speed up this simple function in R +0.99
Find the kth eleven-non-free number +0.83
Design a search system based on two keys 0.00
speeding up R loops -0.55
How to add a unique occasion for different observation dates within... 0.00
Is this solution to an open conundrum correct? +0.40
R, why are these assignments' results different -0.02
Lookup row in dataframe by truth testing of column of class list in R +1.17
Converting a named list to a data.fame cleanly (where the names are... +0.07
Extracting row from a data frame according a criterion based if val... +0.41
How to calculate the weighted value without loop? +0.97
Selecting a subset of rows based on a flexible combination of colum... 0.00
Moving last two elements of each row of a dataframe 0.00
replicate function in R +1.19
How to take the mean of values between a range of rows in R? 0.00
Create table inside loop in r 0.00
Medians by group in R -0.06
Reading/writing C arrays from R matrices 0.00
Dynamic matrix multiplication without loops 0.00
The reverse/inverse of the normal distribution function in R +0.40
How do I extract the unique rows from a subset of columns in a data... 0.00
Repeat vector over itself +1.76
multiply columns of seperate dataframes within factor (please take... 0.00
faster alternative to object.size? -1.87
How to rename the rows of a dataframe on the fly? -0.11
How automatically access a specific column of matrix variables in a... +0.45
Macro equivalent of Stata +1.91
Find a window of 2 rows either side of specific value and return in... 0.00
Newton's Method in R Precision/Output 0.00
How to order a character vector in ascend form in R -1.97
R replace all particular values in a data frame 0.00
multiple each element in a column by each element in a second column -0.48
What does the R function `poly` really do? -1.86
Generating random variable from density function +1.53
Setting up a fund screening strategy 0.00
consecutive number of events without NA 0.00
multivariate regression with missing figures in each dependent vari... 0.00
How to solve: "Error in as.POSIXct.numeric(X[[2L]], ...) : 'or... 0.00
Algorithm to auto-pick 11 players in a fantasy football lineup wher... +0.44