Redirecting from post at /orgs/.../discussions. Inspired by happening to notice an issue getting more support (through GitHub reactions) and borrowing the idea to scrape the GH API from this nice article over at tidyverse. Here are all open issues with at least 5 positive reactions:
Delete rows by reference #635 [nafill, setnafill for character, factor and other types #3992 nafillSupport for on-the-fly columns in on #1639 onCreate an efficient unnest function #2146 NEWNeed long-vector support #3957 NEWSet up rowwise() and colwise() functions for use in .SD #1063 NEW[R-Forge #1611] Allow 2 column i matrix to return a list() (or vector if same type) #657 irolling functions, rolling aggregates, sliding window, moving average #2778 frollImplement DT[, across(.SD, fun1, fun2, fun3), by=group] #4970 NEWAdd psum? #3467 NEWadd a 'having' parameter to [.data.table #788 [Upcoming versions of base R eliminate the need for DT() functionality - consider eliminating? #5621 DT()Metadata in data.tables #4804 NEWrolling funs / shift could support logical window #3241 frolluniqueN() is very slow compared to length(unique()) #3739 uniqueNallow cross join in [.data.table #1717 JOINS[R-Forge #2461] Faster version of Reduce(merge, list(DT1,DT2,DT3,...)) called mergelist (a la rbindlist) #599 JOINSfoverlaps() should be easier to do point-to-interval join #3721 JOINScollect more statistics about the data #2879 NEWExpose setlevels() and document #2219 NEWjoin column naming with on syntax #1700 JOINSFR: auto-infer LHS of := when absent #1543 :=Should be able to refer to i's .SD during a join. #935 JOINSExpand nomatch to accept any value (control fills, rolls, omits during joins) #857 JOINSBe less conservative about ALTREP #4697 ALTREPoutput from merge #4677 JOINSInternal error: DT passed to assign has not been allocated enough column slots #4100 INTERNALnafill new type: approx #4066 nafillGForce optimisation could be more smart #3815 GForceallow.cartesian could allow .N on 2^31+ rows to finish #3009 JOINSTimeline / interest for not yet implemented foverlaps() functionality #3002 JOINSimplement guniqueN #1120 GForceAllow locking or protecting a data.table from any modifications #1086 NEWPassing named lists to .SDcols / .SD #5020 .SDfpaste: fwrite output as a character vector #4572 NEWNew Argument: "join". Objective: ANSI SQL Syntax #3946 JOINSShare data.table among R sessions by reference #3104 NEW
Fulfilled already
support OpenMP with system macOS toolchain #4348 INSTALLATIONprogress indicator/bar for "by" operations #3060 NEWjoin vignette #2181 JOINSlet j = c(prefix = lapply(.SD, f)) work when optimized #2311 GForceShouldn't fcase() recycle? #4258 NEWrbindlist could use an "ignore.attributes" argument #3911 rbindlist - [x] fwrite ignores options(scipen = 999) #2020 fwrite| - fwrite ignores options(scipen = 999)feature request : transpose(keep.rownames = T)? #1886 transpose| - feature request : transpose(keep.rownames = T)?Support for writing to gzip (.gz) with fwrite #2016 patterns in .SDcols #1878 [FR] gforce mean and sum in parallel #3042 shift should accept negative n #1708 fwrite UTF8 #1770 fwrite| - fwrite UTF8Vignette for programmatic data.table (eval, get, etc) #4247 DOCUMENTATION | - Vignette for programmatic data.table (eval, get, etc)melt.data.table should offer variable to match on the name, rather than the number #3396 RESHAPING | - melt.data.table should offer variable to match on the name, rather than the numberdata.table spark/databases interface #1828 NEW| - [Request] data.table spark interfacecompatibility with sf library #2273 NEW| - compatibility with sf libraryAdditional arguments for setcolorder: before, after #4358 setcolorder| - Additional arguments for setcolorder: before, afterimprovement on programmatically substituting columns in expressions #2655 META | - improvement on programmatically substituting columns in expressions[R-Forge #5072] Merging using character and factor results in by column becoming NA #499 JOINS | - [R-Forge # 2461] Faster version of Reduce(merge, list(DT1,DT2,DT3,...)) called mergelist (a la rbindlist)"not in" operator %!in% #4152 NEW | - "not in" operator %!in%GForce optimize weighted.mean #3977 GForce | - GForce optimize weighted.meanGForce should be able to work with := as well. #1414 GForce| - GForce should be able to work with := as well.Add an alias for functional version of := #3795 :=| - Add an alias for functional version of :=names(.SD) := ... should work #795 .SDFile-backed data.tables #1336 NEWWhat about data.table powered by GPU along with CPU? #3670 INTERNAL
Separately for fread since there are many:
https://github.com/Rdatatable/data.table/issues?q=is%3Aissue%20state%3Aopen%20sort%3Areactions-%2B1-desc
Redirecting from post at
/orgs/.../discussions. Inspired by happening to notice an issue getting more support (through GitHub reactions) and borrowing the idea to scrape the GH API from this nice article over at tidyverse. Here are all open issues with at least 5 positive reactions:[nafillonNEWNEWNEWifrollNEWNEW[.data.table#788 |[DT()NEWfrolluniqueN[.data.table#1717 |JOINSJOINSJOINSNEWNEWonsyntax #1700 |JOINS:=JOINSJOINSALTREPJOINSINTERNALnafillGForceJOINSJOINSGForceNEW.SDcols/.SD#5020 |.SDNEWJOINSNEWFulfilled already
INSTALLATIONNEWJOINSGForceNEWrbindlist- [x] fwrite ignores options(scipen = 999) #2020 |fwrite| - fwrite ignores options(scipen = 999)transpose| - feature request : transpose(keep.rownames = T)?fwrite| - fwrite UTF8DOCUMENTATION| - Vignette for programmatic data.table (eval, get, etc)variableto match on the name, rather than the number #3396 |RESHAPING| - melt.data.table should offervariableto match on the name, rather than the numberNEW| - [Request] data.table spark interfaceNEW| - compatibility with sf librarysetcolorder| - Additional arguments for setcolorder: before, afterMETA| - improvement on programmatically substituting columns in expressionsJOINS| - [R-Forge #2461] Faster version of Reduce(merge, list(DT1,DT2,DT3,...)) called mergelist (a la rbindlist)%!in%#4152 |NEW| - "not in" operator%!in%GForce| - GForce optimize weighted.mean:=as well. #1414 |GForce| - GForce should be able to work with:=as well.:=#3795 |:=| - Add an alias for functional version of:=.SDNEWINTERNALSeparately for
freadsince there are many:freadto support thousand separator #1636https://github.com/Rdatatable/data.table/issues?q=is%3Aissue%20state%3Aopen%20sort%3Areactions-%2B1-desc