Top data.table issues

New function: topn for efficiently doing sorted head/tail

feature request performance
MichaelChirico picture MichaelChirico·30 Aug 2019·23 Comments
👍3

coalesce() can't handle NaN

dev
shrektan picture shrektan·26 Aug 2019·3 Comments
👍1

uniqueN could be GForce optimised + GForce could be optimised for := too.

duplicate enhancement
phileas-condemine picture phileas-condemine·24 Jul 2019·4 Comments

.N returned as 1 using the subsetting format DT["a", .N, on="x"] when it should be 0

question
dbrookeUAB picture dbrookeUAB·16 Jul 2019·2 Comments

Scope for %plike%

KyleHaynes picture KyleHaynes·13 Jul 2019·12 Comments

Add general warning to fread for integer64 columns

bit64 fread
stefanfritsch picture stefanfritsch·28 May 2019·2 Comments

Purge <- usage when not strictly necessary

Low beginner-task internals
MichaelChirico picture MichaelChirico·24 May 2019·3 Comments
👍1

revdep rerun

High idatitime
mattdowle picture mattdowle·22 May 2019·6 Comments

eplusr revdep: between internal error

dev
mattdowle picture mattdowle·16 May 2019·3 Comments

Fread warning

fread
JBreidaks picture JBreidaks·7 May 2019·8 Comments
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