Displaying 2 results from an estimated 2 matches for "newposition".
2001 Nov 27
1
seek helppage. Possible clarification?
seek(zz,where=NewPosition) returns the OldPosition of connection zz
(of the appropriate "pointer", i.e. read or write). Currently, the
docs have:
> Details:
>
> `seek' with `where = NA' returns the current byte offset of a
> connection (from the beginning), and with a positive `whe...
2009 Aug 04
0
Efficient coding
...alDmnd))
if(format(end(tsrValDmnd), '%H') != '23')
tsrValDmnd <- window(tsrValDmnd, start(tsrValDmnd), sequence[length(sequence)-2])
sequence <- sequence - 3600
tsrValDmnd <- aggregate(tsrValDmnd, by = sequence, sum)
sequence <- seriesPositions(tsrValDmnd)
newPositions(tsrValDmnd) <- sequence - 23*3600
#head(tsrValDmnd2)
#sum(head(tsrValDmnd, 24))
tsrValSub <- cbind(tsrValDmnd, tsrValCount)
tsrValSub <- na.omit(tsrValSub)
head(tsrValSub)
if(nrow(tsrValSub) > 1)
{
dif <- na.omit(tsrValSub[,-1] -lag(tsrValSub[,-1],1))
head(dif)...