search for: fivep

Displaying 3 results from an estimated 3 matches for "fivep".

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2007 Jan 25
1
Size of data vs. needed memory...rule of thumb?
...ere's details, just for context, or in case I'm misinterpreting the results, or in case there's some more memory-efficient way to get data in R's binary format than going w/the data.frame. R session: > library(RODBC) > channel<-odbcConnect("psmrd") > FivePer <-data.frame(sqlQuery(channel, "select * from AUTCombinedWA_BILossCost_5per")) Error: cannot allocate vector of size 2000 Kb In addition: Warning messages: 1: Reached total allocation of 1023Mb: see help(memory.size) 2: Reached total allocation of 1023Mb: see help(memory....
2007 Jan 26
0
FW: reducing RODBC odbcQuery memory use?
...ame directly. I think you need to tell RODBC to translate your 'byte-sized factors' to numeric, as it will be going through character if these are a type it does not know about. > R session: > > library(RODBC) > > channel<-odbcConnect("psmrd") > > FivePer <-data.frame(sqlQuery(channel, "select * from > AUTCombinedWA_BILossCost_5per")) > > Error: cannot allocate vector of size 2000 Kb > In addition: Warning messages: > 1: Reached total allocation of 1023Mb: see > help(memory.size) > 2: Reached total allocat...
2008 Mar 03
0
reducing RODBC odbcQuery memory use?
...rectly. I think you need to tell RODBC to translate your 'byte-sized factors' to numeric, as it will be going through character if these are a type it does not know about. > R session: > > library(RODBC) > > channel<-odbcConnect("psmrd") > > FivePer <-data.frame(sqlQuery(channel, "select * from > AUTCombinedWA_BILossCost_5per")) > > Error: cannot allocate vector of size 2000 Kb > In addition: Warning messages: > 1: Reached total allocation of 1023Mb: see > help(memory.size) > 2: Reached total...