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mrip

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1555.29 (6,547th) 		Reputation
10,814 (13,929th)
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How to efficiently match strings between two big lists with python?... -0.13
Algorithm to find who wins in traversal game 0.00
Complexity of NP classes 0.00
Subset numpy array based on another array -0.08
Find a spanning tree with maximum number of edges with same weight 0.00
Loading mysql table into python takes a very long time compared to R +2.59
How can modulo deal with big float numbers -0.11
Sorting a d.frame by a column of another d.frame R +0.44
r - Replace values in columns +0.55
Optimize the For loop - R 0.00
R lookup time for very long vector 0.00
Counting occurrences without modifying the original order +1.73
Making a matrix of column means +1.65
replacement length zero R +0.42
Get the column number per row containing specific character in R da... +0.79
R: value preceding a change 0.00
Cython unable to find shared object file 0.00
replace elements of one vector by elements of another on particular... -0.53
Count matching elements by row between two data tables in R -1.57
Dummy variable depending on other element of same row in data frame... 0.00
Cumulative Mean with Grouping and Lag -0.57
R sort data, but exclude blank rowname 0.00
Standard Deviation every n rows in R +0.92
mean returns NaN besides na.rm= TRUE 0.00
Precision of scientific notation in R +1.55
R creating dataframe 0.00
All combinations with multiple constraints -0.45
Which is the proper algorithm for a fast and stable sort of an arra... -0.71
Knapsack with unique elements 0.00
Coordinates of an n-sided polygon in R 0.00
Count days in each month for week overlapping two months 0.00
How to find Previous Sunday in R +0.21
When to use the apply function +0.43
Convert multiple rows into single column in R +0.24
R explicit subscript function 0.00
Optimize variance calculation, for loop too slow 0.00
Is there a series of `n` elements that satisfy a condition wrapped... 0.00
find neighbouring elements of a matrix in R +1.87
Splitting a row at year change +1.77
How to not fall into R's 'lazy evaluation trap' -0.68
R: summation of rows in a data frame 0.00
Identifying specific differences between two data sets in R -0.07
Speed up dnorm function 0.00
R correlation matrix by group using spearman -0.06
2 curves simultaneous nonlinear regression 0.00
R Sum every k columns in matrix -0.41
converting pasted numbers to vector of numbers in r -0.60
Conditional replace row values for multiple columns based on subset... 0.00
An extension of selecting rows with same results in different columns 0.00
Is it possible to to use apply with different vectors to each column? +2.05