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lmo

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1476.61 (4,507,387th) 		Reputation
32,267 (3,693rd)
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Title Δ
R summarize many to many relationship between two column's valu... -1.05
Conditionally subset or data set based on a row that starts from a... +2.58
How to sort set of data.frame objects in the list by increasing ord... +2.19
Conditionally rename the value depending on the previous row -0.77
Extract only numbers from a string with punctuation and spaces in R? -1.44
How to find and label start / end points of unique sequences in R -1.56
R Compare non side-by-side duplicates in 2 columns +0.04
How to conditionally delete rows in R? -0.23
R function with loop append avoiding for (using lapply instead) 0.00
R - cut a specific column from multiple files and bind them alltoge... +0.22
Creating Dummy Variable in R +2.30
Fast loop with data.table and set in R +0.88
Select random rows from duplicate IDS 0.00
Display weighted mean by group in the data.frame -0.88
Replace missing values in a vector with the last value that was not... -1.00
breaking the dataframe and creating new columns for the broken chun... +0.54
R: Converting wide format to long format with multiple 3 time perio... -0.68
How to scale the dots of a graph based on their p-value in R? -0.81
Plotting distribution of bootstrapped values in R 0.00
How to do Ifelse function in R +1.35
Deleting rows dynamically based on certain condition in R +0.05
Give unique identifier to consecutive groupings +2.19
Reduce number of arguments of a function in R +0.05
R: using apply function on a list to get mean of multiple values +2.21
How to replace text sequences ending in a fixed pattern within a lo... -1.45
Repeat vector to fill down column in data frame +2.75
Add a column with the value of the object with max frequency -1.31
Setorder using data table, not working for posixct milliseconds 0.00
Make simplify2array to produce a numeric matrix -0.21
Get columns from column's values -1.25
How to split a character column into multiple columns in R +1.32
Identifying the frequency of items in the list 0.00
Calculate Change Using Lag Function with Year Gaps in R +0.70
R: convert data from wide to long - multiple conditions - getting e... +0.91
How to delete duplicates but keep most recent data in R -1.28
Determining max value prior to specific incident in data in R 0.00
data.table and .SDcols with paste0 to create a character vector 0.00
R. replacing null value representation with NA 0.00
Transform/Pivot a CSV +0.24
R - faster alternative to hist(XX, plot=FALSE)$count +2.51
count unique values of multiple columns in R -1.78
Selecting a range of variables in R -1.65
How to convert frequency into text by using R? -1.81
Subsetting with 2 conditions not working with which function +1.29
How can I get the overall stats when using group_by in dplyr? -1.50
R: How to calculate mean for each row with missing values using dplyr +0.35
Efficient way to apply a custom counting function on a large datafr... -0.72
Text Matrix multiplication -0.50
R: efficient way to apply a function according to the columns of a... -1.70
Bin values into factors 0.00