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Rating Stats for

Pierre L

Rating
1617.14 (1,182nd)

Reputation
24,556 (5,227th)

Page: 1 ... 10 11 12 13 14 15 16

Title	Δ
Simple function does not work for `dcast` - reshape2	-0.88
R - iteratively apply a function of a list of variables	+2.28
Date formate error character string is not in a standard unambiguou...	0.00
select a colum from data frame column in a function	0.00
Keep only two rows corresponding to an ID in a data frame	-0.10
subsetting data frame with selected factors	0.00
Creating matrix shifted by one column every row	-0.58
A vector sorting by value in R	+1.40
Faster alternative to `range(which(..))`	+0.83
Re-arranging non-independent data from one df to another	0.00
Adjusting date column in data.frame with differing weekdays to cons...	+0.17
Sum rows in a group, starting when a specific value occurs	+0.08
Access previous elements in lapply/sapply	-1.71
Merging datasets by columns that have different names	+1.56
How to match and divide	+0.06
Storing dataframe automatically converts character into numeric. Ho...	+0.29
R: Split Variable Column into multiple (unbalanced) columns by comma	0.00
Replacing loop in dplyr R	0.00
how to convert a date from a character string?	-0.77
using split in R and then assigning each component to a new vector	0.00
Reading date time values from excel in R	0.00
How to convert text to time with negative durations?	+0.54
R code to analyze genotyping data.	0.00
Copyright issues while using public data in books	+1.33
randomly deleting entries in a matrix in R	0.00
R dplyr identifying a condition sequence in one column and mutating...	0.00
How to convert Dates to Quarters in R	0.00
apply create columns function to a list r	0.00
R - identify consecutive sequences	-1.28
How to make a pivot table by grouping the data	0.00
Create sequence based on grouping variable in R	-0.24
Replace 0s with next non-zero value in column R	+0.50
Does it matter where I initialize my matrix outside my nested for-l...	0.00
Use Final Value In Iterative Process	0.00
Match everything but numbers regular expression	+1.27
Partition Integer randomly	0.00
Comparing elements within a list	-0.47
Apply a vector-returning function to a data.frame grouping by sever...	+0.87
Vlookup-match like function in R	+0.51
Regular expression for checking string outside of a set	-0.45
splitting and combining categorical data in R	+1.18
R - Long Format Loop increment 1 by id and day	+0.53
Unlist list of lists that have matrix elements to a list of matrices	-0.90
Assigning results of strsplit to multiple columns of data frame	+1.90
Finding rows which match between 2 dataframes, and the index of the...	0.00
Regex expression to exclude hyphenated words in R	-0.11
Use lapply() to find percentages of factor variables	-0.33
Turning nested for() loops in R into proper vector operations	+0.14
Identify last observation of a factor within a sorted data frame	0.00
Filter rows from one file based on vector	0.00