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Cole

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1481.20 (4,492,109th) 		Reputation
471 (286,697th)
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Title Δ
Conditional merge, based an event happening between two panel obser... -0.51
Generating a fictional panel data set 0.00
MySQL JOIN LIMIT DYNAMIC QUERY OPTIMIZATION -1.49
Find differences in new values -0.89
Convert Nested Loop to lapply +1.41
In a data.table remove identical consecutive values over certain ti... -1.72
Add space and three dots (ellipsis) between ggplot2 facets to indic... 0.00
Iterate Group_by across Dataframe in R 0.00
Find variables that occur only in one cluster in data.frame in R -1.77
Create a collection of plots inside of a `for` loop -1.11
Find variables that occur only in ONE row in R +0.45
How do I write a simulation in r for a "gambling" problem... +1.42
Replacing NA of numbered column in list of data frames +0.57
Incorrect number of subscripts on matrix? -0.48
How to efficiently collapse a vector of integers into a data.table... +0.56
How to calculate a variable that select the maximum range value out... -1.44
How to split a sparse matrix into two 0.00
How to organize my data to create a heatmap using correlation or cl... +0.54
How to cast this sapply use-case as a dplyr? +0.10
How to speed up an apply function in too many loops +0.27
Summarizing using dplyr with a for loop -0.23
Compare three (or more) variables in R with ifelse at once with loop -0.90
Resizing matrix with constraints in R -1.80
A simple reproducible example to pass arguments to data.table in a... -1.19
Data prep for association rules in R - data frame to transaction -0.70
Tracking the change in a sequence in R -0.00
Rolling sum with varying window of a data.table -0.61
I am trying to create features that determine time between events b... 0.00
Trying to find the number of diagonals of 1 in each 3x3 tile in a 1... 0.00
Replicating nested loop with sapply 0.00
How to plot multivariate function in R 0.00
How to sample from a vector without repeating? 0.00
rbinding a list of list of data.table 0.00
How to delete rows for leading and trailing NAs by group in R 0.00
Calculate number of time streak of categories change in a row in R 0.00
Rolling Calculation in R with condition 0.00
predict values from GAM for grouped dataframe in R 0.00
Change the column of same values to column of all zeros in R 0.00
How to combine multiple data frame columns in R 0.00
summarize for all other values per group in dplyr -1.50
Hoping for help to translate a thought experiment into R code, usin... +0.00
How to group_by and summarize multiple variables using regex? +0.51
Converting code from base R to dplyr, specifically adding a variable -0.21
Subscript out of boundaries in data.table when group by two variables 0.00
How can I open file with Fread by skipping problematic rows 0.00
How to use spread function and left join data frames (DF1, DF2, DF3... 0.00
how can I speed up this look up and sum function in r data.table 0.00
Replace for-loop in this list +2.13
Is there a way to access data from other groups when summarising da... 0.00
How would I get the position of the first occurrence of a value 0 i... +0.01