--- Sundar Dorai-Raj <[EMAIL PROTECTED]> wrote: > > > Peter Lauren said the following on 9/27/2006 3:11 > PM: > > I would like to use readBin to read a binary data > > file. Most of the data is 4-byte floating point > but, > > for some reason, only double precision appears to > be > > offered. I tried > > fVariable=readBin(iFile,what=single()); > > and got 35.87879 which looks believable except > that > > the correct value is 3.030303. I then tried > > fVariable=readBin(iFile,what=single(),4); > > and got > > [1] 3.831111e+10 6.657199e+10 -5.592394e+29 > > -5.592397e+29 > > > > For the second call, there were two more single > > precision floats of value 3.030303 followed by two > > more with values 40.46 and 0.00 respectively. > > > > Is there any way around this problem other than to > > make the input data double (which I definitely do > not > > want to do)? > > > > Many thanks in advance, > > Peter. > > > > ______________________________________________ > > [email protected] mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, > reproducible code. > > > Hi, Peter, > > I believe you can use > > readBin(file, double(), size = 4) >
It worked! Thanks very much. Peter. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
