StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th) 		Reputation
36,309 (3,118th)
Page: 1 ... 13 14 15 16 17
Title Δ
Index of the minimum difference of the elements of a vector in R +0.52
Read a CSV file in R, and select each element 0.00
R how many element satisfy a condition? +0.01
Need help filtering a matrix based on a criterion in R -1.83
Calculate percentage over time on very large data frames +1.23
R insert values into arrays +0.31
Difficulty manipulating longitudinal data by row in R 0.00
Lagging/Differencing Variables in R +0.15
How can I find the changes in a single column in R? +0.01
Generate data frame from array for logistic regression -0.99
Saving many subsets as dataframes using "for"-loops 0.00
passing variable by name to right-hand-side of assignment := in dat... 0.00
Projection by Angle - Results have a random order 0.00
For loop in r - can't get first value greater than 1 0.00
Writing and running R functions 0.00
merging two tables by groups in R 0.00
multiply two vectors - I want a scalar but I get a vector? +4.10
Converting String to unique integer in R +4.68
how to use (after a pca) just one vector in an object? 0.00
pca - which eigenvector corresponds to which eigenvalue 0.00
how to plot a line chart in R? -4.10
split comma-separated column into separate rows 0.00
Identifying End-Of-Line in Regular expressions in R -3.50
how to draw lines per each intensity along days for survivors? +0.06
Ifelse condition for timeframes in R 0.00
How can I sum values in a column, grouped by names in rows in R, wi... +4.71
Save result of for loop in a vector -3.82
R - data.table: calculate sum of a list of variables by group -3.41
suffixes in xts merge in R 0.00
arrayInd to show some columns for the result of which.max 0.00
How to generate frequency table from raw data in R +4.08
stacking columns in data.frame into one column in R 0.00
Calculate differences between rows faster than a for loop? -2.05
How do I plot the following in R? +0.04
Can I use R attributes to save physical units? -0.19
Is there a function that is opposite of paste() when editing (i.e.... +4.28
Find x-intercept and y-intercept of a loop in R 0.00
Import datasets in which some columns have strings that contain spa... +0.02
How to designate "binding method" in apply 0.00
How to write a data-frame with one column a list to a file? -0.82
Regex matches processing in R +1.87
How can I lapply to sub element of list within a list +4.38
Get the indices of a vector inside another vector +4.31
How to find quartiles grouped by 2 different columns in R +0.41
optimization of the log-likelihood, passing in different data sets -3.30
milli/micro second resolution for ITime 0.00
Updating data.frame from another data.frame with different columns... -3.47
Replace values of a matrix with a new value 0.00
Percentage of Column in Table -2.86
collapsing two factors into one? +2.25