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Rating Stats for

josliber

Rating
1659.52 (437th)

Reputation
37,771 (2,967th)

Page: 1 2 3 4 ... 19

Title	Δ
Repeat simulation of test scores 1000 times	+0.29
Optimize a function in R with integer input vector which adds to a...	+1.62
Optimize a function in R with integer input vector which adds to a...	-1.38
"missing value where TRUE/FALSE needed" error in GA package	0.00
Quadratic programme with a_ix_i^2 terms in objective function	0.00
Extracting outputs from a list and save in a data frame	+0.31
How do I recombine a list split by factor level to the original dat...	+0.28
Pass a condition as a function parameter	+0.69
Non-negative ratio constraint with linear programming in lp_solve	+0.29
Replace all observations except for the first with 0 in each ID	+1.20
Solving non linear equations in R using BB package	0.00
Visualize one out of many components in igraph	0.00
Convert matrix to vector by a column to be one	-0.20
Forming a Wright-Fisher loop with "sample()"	0.00
Add a series of elements in different locations within a vector	-0.28
Find the row numbers in A that match rows in B	+0.29
Generate n data frames and append to list	-0.21
Split the column name and values	+1.27
How to create a matrix with 1s and 0s based off a 2-column data frame	+1.24
Finding subvector of maximum length containing a small proportion o...	0.00
Check which words show up at least once within words from another v...	+1.28
Subsetting a data frame to the rows not appearing in another data f...	-0.66
Randomly assign elements repeatedly to a limited number of groups	+1.16
Reorder data frame by compressing 1 column and transposing remainin...	0.00
Get column and row names of matrix indices in a vector	0.00
Calculating the time the concentration stayed above certain value i...	0.00
Change ROC cutoff values using AUC package in R	0.00
Calculate time elapsed within runs of a variable	+0.81
Replace each element equal to zero of a matrix with the correspondi...	-2.59
Determine if there was a recent event within a group	0.00
Outsmarting a Traveling Salesman Algorithm	0.00
How can I parallelize combn()?	+1.26
cut2 splits into unequal buckets	0.00
Delete specific values in a matrix according to two position vectors	0.00
Loop While condition is TRUE	-1.82
Loop While condition is TRUE	+0.40
Calculating mean difference between combinations of dates	0.00
Ways to improve for loop for matrix manipulations depending on anot...	0.00
countif within R repeated across each row	+1.47
Subsetting vectors with extract	0.00
Finding/creating candidate key(s) in a data frame	0.00
Add (not merge!) two data frames with unequal rows and columns	-0.22
Identify start date, end date, length of run of consecutive number,...	+0.88
Identify all elements adjacent to a 1 in a binary matrix	+0.99
Generate random variables from a distribution function using invers...	0.00
Speed up taking dot product of all pairs of rows and adding interce...	0.00
Speeding up an iterative function with 2 inputs/outputs	0.00
Create N random integers with no gaps	-0.61
Probability of the Union of Three or More Sets	+1.76
Time Complexity Calculation	+0.87