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Matt Dowle

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1609.58 (1,416th) 		Reputation
48,330 (2,110th)
Page: 1 2 3 ... 7
Title Δ
R shiny app works locally, but after deployment, I get an error wit... 0.00
R data.table fread how to deal with embedded ^@ character? 0.00
Is there a memory leak in the data.table package in R 3.6.0? 0.00
data.table v.1.11.0+ no longer freads data file that was fread by v... +0.36
data.table package in R 3.5 does not install +0.35
fread() run time is taking longer than reported speed 0.00
dplyr group by, carry forward value from previous group to next +0.53
R: Cannot load data.table due to missing symbol _omp_set_num_threads +0.35
data.table::fread() is crashing for bigger csv files +1.14
What are the possible reasons for the "Invalid .internal.selfr... 0.00
Make a shallow copy in data.table 0.00
Why does selecting column(s) from a data.table results in a copy? 0.00
Sequential filtering using data.table in R -0.81
fread - multiple separators in a string +1.40
can't install data.table package in R 0.00
How to covert my H2O prediction to a data.frame in a fast way -0.59
Why sampling matrix row is very slow? 0.00
bit64 integers with fst +0.35
Find time to nearest occurrence of particular value for each row +1.49
How does .SD work internally? 0.00
data.table R fwrite bug on Red Hat Linux 0.00
data.table | faster row-wise recursive update within group 0.00
r - data.table 1.10.0 - why does a named column index value not wor... 0.00
error in fread (showProgress is not type integer but type 'logi... 0.00
Matching and Updating a column in R data table +0.35
Accessing a data.table via column numbers and grep +1.49
How can I revise my code to improve my processing speed +0.01
Is it possible to have function object as an element +0.27
R - return nested list from grouped data 0.00
fread together with grepl +0.36
count unique by 2 columns in a data table 0.00
add rows in a data.table but not when certain columns take same val... -0.66
Data loss on `fread()` due to coercing NA to character +2.00
Data loss on `fread()` due to coercing NA to character -2.00
iteration loop over nested lists for indexing an index variable to... 0.00
Index unique values in data.table +0.24
Strange issue with data.table row search +0.35
how to use `:=` from data.table when data.table is not loadded 0.00
Modelling Price-Time priority using OrderBook Data in R 0.00
Are factors stored more efficiently in data.table than characters? 0.00
How to add time series objects (ts) in a data.table, by row? 0.00
left outer join with data.table with different names for key variab... +0.36
efficient way to read huge tables (over 600 million rows and around... +0.96
"object 'ansvals' not found" error - what does it... -2.36
How do I copy a date from one variable to another in R data.table w... +1.48
Error in R data.table v1.9.6 - function "fread" 0.00
Is there a way for R to run a script and on error return non-0 to t... 0.00
Operator == inconsistent in logical columns in data.table +0.39
slidify + data.table( ggplot2) error 0.00
Read irregular format text file mixed of text with/without space an... 0.00