date as dimension produced an error in case atimestamp column with multiple classes had been used; fixed in thisrelease.timestamp as dimension produced an unnecessarywarning due to checks; this has been fixed.stringsAsFactors default configuration indata.frame.The conversion toDate orPOSIXct isnot forced anymore & depends on the initial class. This bringssignificant speed to all functions (provided the initial class isalready date/timestamp);
There have been some other minor improvements in speed,e.g. applying basic transformations to columns throughdata.table’sset instead oflapply and.SD.
Thecollapse_ranges function got two new arguments,i.e. startAttr andendAttr - see?collapse_ranges;
Moreover, the core function has been re-written inRcpp for some speed gains.