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Frank

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1617.40 (1,172nd) 		Reputation
57,070 (1,677th)
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Title Δ
Consolidate "duplicate" rows in R 0.00
Why doesn't rm(ls()) work and "list" is needed? 0.00
Getting rows of a matrix which coincide with a series of vectors, w... +1.26
Getting rows of a matrix which coincide with a series of vectors, w... -0.14
R comulative distribution charts 0.00
Replacing NAs in dataframe with constants in another in R +1.76
removing rows from dataframes in a list using R 0.00
How to filter R datatable based on external column vector +0.16
Passing a list of columns to Order function in R 0.00
Normalize each row of data.table in R +0.47
Creating all unique combinations (without replacement) of n=2 from... 0.00
How do I find the intersection of lists of lists in R? -0.08
Comparing one record with all other to remove duplicates - python o... -1.42
Custom function with data.table 0.00
Reformat table in R +0.22
dplyr with data.table backend 0.00
R using data.table to cut fix time interval that contain 2 or more... 0.00
set data.table by reference inside a function +0.45
Merge multiple data tables with the same column names +0.18
Create count of variable values as table using base R -0.50
Create a sequence of dates in one data frame based on a second data... 0.00
data.table version of double for loop with vectors -0.73
R: trim consecutive trailing and leading special characters from se... +0.45
Count occurrences depending on column +2.00
Assign a data.table column to a variable in R 0.00
function for dividing data frame into segments in R 0.00
data.table get N most frequent values by group +1.91
How to apply ifelse function by column names? +0.47
Subset list, keep names 0.00
Select rows based on occurrences in another column R 0.00
how to remove unique entry and keep duplicates in R +0.23
R aggregate and handle missing combinations +0.59
Generating a sequence in R +2.49
Combining 3 arrays by row number -0.89
Cumulative mean with conditionals +0.22
Select row by level of a factor +1.47
dplyr mutate replace dynamic variable name -1.99
What exactly does sapply with '[' do? +1.84
Using ifelse and as.yearmon together 0.00
r 80 character line limit 0.00
Remove all trailing spaces and replace with single comma R -1.39
Create new variable showing whether values in variable x is larger... 0.00
Split data.table into roughly equal parts +1.01
How can we do some calculations using last row within a group in da... +2.44
data.table: Update multiple columns in a data.table with a matrix -2.13
Spilt data by the middle points 0.00
A Better Way to Create a Table with Columns That Are Functions of t... 0.00
Rolling window pattern update in R 0.00
How to slice a n dimensional array with a m*(n-i) dimensional matrix? 0.00
How do I get the intersect of two matrices? -1.02