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. > > ______________________________________________ > R-help@stat.math.ethz.ch 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) Thanks, --sundar ______________________________________________ R-help@stat.math.ethz.ch 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.