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jangorecki

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1510.29 (68,729th) 		Reputation
7,968 (19,810th)
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Title Δ
How to join data to only the first matching row with {data.table} i... +0.76
Converting UNIX timestamp to POSIXct in R 0.00
Simple moving average (partial window) of a vector using data.table... +0.49
Using data.table::fread in R to read in date column with non-ISO fo... 0.00
Why doesn't `pivot_wider` work on a `data.table` 0.00
Supply expression as argument to function using data.table join 0.00
Removing columns from a data.table in R based on conditions +0.49
R data.table syntax to create and select on the fly 0.00
Keep R from automatically grabbing latest version of already instal... -0.44
Documenting external data in R package for the inst/extdata folder? 0.00
how can I make a detailed data.table neater? 0.00
R data.table use variable name for assignment in group by +2.18
What are helpful optimizations in R for big data sets? +1.23
R data.table: evaluating address of an object in parent frame -0.35
Optimize a subset operation of a nested list +0.49
What is the recommended way to access data from R data.table in pyt... 0.00
.N differs from length(variable) when variable is used in `by` 0.00
How can I preserve the element names of a list when using sapply in... 0.00
Multi threaded data.table in R much slower than one using single th... 0.00
fast melt large 2d matrix to 3 column data.table -0.09
Does unique.data.table with by behave like dplyr::distinct with .ke... +0.33
Pass expressions to function to evaluate within data.table to allow... 0.00
Repeated data.table fread and fwrite causes "Permission denied... 0.00
data.table - summarizing data - difference between `by` and `keyby`? 0.00
Is there an newer version or alternative for data.table in R? 0.00
Tidyverse approach to binding unnamed list of unnamed vectors by ro... -0.62
Access columns of an R data.table as a matrix, by reference 0.00
Is there a visual explanation of why data.table operations are fast... 0.00
R: Using data table inside my own package: Error in lapply(.SD, mea... 0.00
Continuously update features in R 0.00
Memory profiling with data.table +0.50
How do I calculate percentage of a subset of rows in R data.table? 0.00
Rolling count of unique values by unequal group using R -0.01
Simple way to prevent data.table auto-index from being created with... -1.37
Insert/Update R data.table into PostgreSQL table 0.00
How to manage memory in agent-based modeling with R -1.70
Is there a faster way than fread() to read big data? -0.02
Create flag indicating if year variable is in the range of start:en... +0.29
Calculating group percentages, is there a better way +0.49
Intuition for data.table join syntax 0.00
how can I rollmean with previous data, and compare with current dat... +0.45
Is there a fast R function like rollapplyr with increasing window s... -0.49
Improve rolling mean usage in data.table 0.00
R data.table assigning single-row list-type columns 0.00
R data cube define hierarchy 0.00
data.table column order when using lapply and get -0.34
Easier way to create a list from data table in R -0.51
How to export a datatable for each key? +1.30
Is it possible to set a cube with a snowflake schema in data.cube R? 0.00
What is the fastest way to update a data set in R? -0.52