search for: contractvalu

...SITION * -1)), "DESCRIPTION",summarise,pl=sum(prix),quantity=sum(POSITION)) #remove the date in $DESCRPTION and add a new column $SHORTDESCRIPTION allcon$SHORTDESCRIPTION<-sub(' [a-z]{3}/[0-9]{2}','',allcon$DESCRIPTION,ignore.case=TRUE) #read the contractvalue file value<-read.csv2("contractvalue.csv",sep=",",h=T,strip.white=T) #merge "value" with "allcon", change some columns, then merge with PosB, replace NA by zero and assign the final result to element PL zz<-merge(transform(merge(value,all...