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Rating Stats for

Pierre L

Rating
1617.14 (1,182nd) 		Reputation
24,556 (5,227th)
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Title Δ
Split/separate rows in to columns by indent 0.00
With R, combine text from variable number of rows into single text... -0.43
Combining a for loop with meta characters +0.57
Extract rows in a data frame based on condition of a column in R +0.49
Evaluate column of matrix +0.57
Count number of rows meeting criteria in another table - R PRogramm... -0.19
Matching with large data set in R -1.09
Check rank ordering in R 0.00
Replace/Modify values in logical vector (Pattern Matching) -1.53
Matrices in R Programming -1.32
R - Conditional Substr from dataframe +1.19
Get a variables value from one dataset if falling in a range define... -0.70
if else statement in data.table package -2.12
calculate mean for multiple columns in data.frame +4.36
indexing sub groups in a dataframe -3.66
R function that calculate correlation between two elements of a dat... 0.00
Loop throught list in R 0.00
Paste the elements of two columns +0.53
How to subset by distinct rows in a data frame or matrix? -1.85
Can you pass grep() a vector of patterns? +4.46
Extract a substring in R -2.20
Combine rows/observations by column value in R +0.06
create lag variable of xts object using $ vs. [] notation -1.59
If condition statment within function in R +1.15
Replace rows in one data frame if they appear in another data frame -1.93
R aggregating certain rows +2.83
Replacing certain values in a data frame as NAs -2.18
How to combine two vectors with missing values? +3.17
exists and sapply: why are these functions different? -1.87
R Replace Keys of Multiple Columns with a Key Data frame -2.24
How to loop through values in R using subsets and logical statements? 0.00
Creating a matrix based on a function in R -2.91
Group instances based on NA values in r +4.43
R: replace values in data frame, in list -2.26
Regex to remove .csv in r -0.67
If Statements and logical operators in R -0.64
Iterated plotting from list of list of dataframes +3.39
Reading and naming multiple .txt files in R 0.00
Sort data by factor and output into a matrix (or df) R +3.08
How to run a program 100 times in R? 0.00
dplyr: max value in a group, excluding the value in each row? -3.11
What's wrong with my nested for loop in R? +0.23
Events in last 21 days for every row by Name -2.26
How to subset rows with only odd numbers in 1 column in R -3.87
R : Create specific bin based on data range +4.37
Create a datatable containing the Nth digit of each of a list of fi... +5.65
Regex finding more than one time pattens in string with R +3.24
multiply each columns of a matrix by a vector 0.00
How to vectorize a "for" loop that returns a vector after... -1.99
How to detect null values in a vector 0.00