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Rating Stats for

Pierre L

Rating
1617.14 (1,182nd)

Reputation
24,556 (5,227th)

Page: 1 ... 8 9 10 11 12 ... 16

Title	Δ
Get the average every 10 steps in a vector in R	0.00
Logical manipulation of lists in R	+1.44
row average of columns that match string	0.00
String split in R in specific context	+0.52
How to change values in a column while checking them against anothe...	0.00
Remove the number after space	0.00
Counting where the string appears in row with caveat - [R]	+1.34
for loop & if function in R	+0.51
Extract rows from a data.frame based on common values with a list	-1.35
Using lists of patterns to code a new field	+0.46
R error x and y lengths differ	0.00
How to count the frequency of a string for each row in R	+2.31
R reshaping data - aggregating data on one part of a table to appen...	+0.52
count observations by group and keep only those belonging to at lea...	-0.09
Calculating the result of a formula by matching the numbers	-1.15
How to add column sum (with condition) as new column?	0.00
R: rearranging vectors based on rank	0.00
R sum consecutive duplicate rows and remove all but first	-1.47
Use spread with three columns where first column has state and seco...	+0.27
difftime within same column	0.00
Reformat table in R	+2.20
convert row values into column names in r	-1.20
Filter by number of duplicates, in R	+2.36
R prop table of numeric data	+0.27
Number of copies (duplicates) in R data.table	0.00
data frame or matrix of quantiles	+2.81
Error with parsing data in R	+0.53
Stop a looping function when one value is greater than another with...	+0.52
replace column values in data.frame with character string depending...	+0.25
Find index of change in a column	+0.95
How do you generate a list of descending magnitude in R?	-0.78
Best way to append text to a column in a data frame?	0.00
maximum date of multiple dates in R	+2.67
Sort Dataframe in R by using 2 different ordering methods	0.00
R: find if number is within range in a character string	-0.22
Sort data.frame algorithm R	0.00
Conditional replacement in R	-0.79
R - Summation of data frame columns changes data type	+0.49
string starting with specific pattern	+0.53
R split a character string on the second underscore	-0.33
how to find consecutive composite numbers in R	+0.52
Converting a text import of a range in format 1:5 from character wi...	-0.98
How to efficiently divide successor by predecessor in each column o...	+1.14
R add time zone offset to POSIXct class	+0.66
Fill NA by rows after find a criteria based on columns	+0.14
R: Paste together some string vector elements based on list of inde...	-0.66
Sorting a string by specific values	+0.57
Extract last word in string before the first comma	+0.52
How to find specific element in a matrix dependent on row and colum...	-0.84
Find overlapping segments in multiple columns	+0.85