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Lennyy

Rating
1530.35 (18,231st)
Reputation
3,375 (50,024th)
Page: 1 2 3 4 ... 5
Title Δ
Extracting dates that exist in another dataframe within each subjec... +1.53
$p.value function equivalent to the $r.squared function 0.00
Transform string of expression into quotable expression 0.00
How to fix an error message "Error in round(pwfst, 3) : non-nu... 0.00
R StackApply: create an 8-day index from daily data while accountin... 0.00
R Counting the frequency of combinations of three digits efficiently +0.35
Using ifelse to transform column in R -0.20
Merge on same column in R -0.91
Twin primes less than 1000 in r -0.38
Create new vector based on old vector -0.59
"Apply" on an R dataframe returns transposed rows 0.00
Select k highest values from a vector of doubles with repeats 0.00
How to divide a column into two columns in r +1.20
Order DataFrame in R keeping a pattern 0.00
Suppress print from summary on auto.arima model +0.37
layout and outer margins 0.00
How to group only sequences of the same value -1.06
How to check if rows in one column present in another column in R +0.24
R add vector content to data frame index +1.07
Getting all values of column B for each value of column A in new da... +1.48
Error using rename and summarize together in dplyr 0.00
Checking if a vector starts with a number -0.40
Select highest values in a dataframe by group -0.02
NAs in Logical Statements 0.00
using case_when inside dplyr's mutate to create a new column in... -2.01
R suppressWarnings() not working with httr / curl 0.00
Checking the variance (or elasticity) of a variable over time in pa... 0.00
Remove double quote \" symbol from string -0.73
Finding values in one column with several different values in anoth... 0.00
Replacing zeroes with NA for values preceding non-zero -0.97
R: labels() command doesn't work when trying to set x axis labe... +0.44
How to use select() only on columns of a certain type without loosi... 0.00
R - subset by group +1.98
R diff lead difference between two columns? 0.00
R: Random values from one column in 5 columns -0.08
check tables exceeding certain values and count number of times exc... -0.13
Comparing xy coordinates in a dataframe +0.06
select() set position +2.26
How to rename n rows occurring before a certain value in a column? -0.27
combining columns into one row by comma delimiter and them grouping... 0.00
Pattern Matching & Replacement / Cleaning of Data in R +1.22
Calculations based on the date -1.46
Creat a random group variable in long format -0.28
R multiple-column horizontal barplot 0.00
Modify values in a specific name in the list +0.47
vectorizing an R-loop with backward dependency -1.31
ggplot2 Stacked Bar Chart - Each Bar being 100% and with percenage... +0.47
Select all rows which are duplicates except for one column +1.82
Automation in R: how to apply a single process to different columns +1.81
Changing attributes of multiple variables in data frame 0.00