Re: [R] Does function read.sas7bdat() have some memory limitations?

2013-11-21 Thread peter dalgaard
This certainly looks like a bug, and there are many ways of inducing bugs that only show up with large datasets - buffer overruns, fields that are too small to hold the number of rows, etc. Remember that there is NO official documentation of the .sas7bdat format, everything has been reverse

Re: [R] Does function read.sas7bdat() have some memory limitations?

2013-11-21 Thread Li, Xiaochun
read.sas7bdat() have some memory limitations? This certainly looks like a bug, and there are many ways of inducing bugs that only show up with large datasets - buffer overruns, fields that are too small to hold the number of rows, etc. Remember that there is NO official documentation of the .sas7bdat

[R] Does function read.sas7bdat() have some memory limitations?

2013-11-19 Thread Li, Xiaochun
Dear R-ers, I was trying to read in a large sas7bdat file (size 148094976 bytes) using 'read.sas7bdat()', but it did not read in the data correctly. E.g., the first 5 rows will come out like this (I'm omitting other columns to keep it readable): PERSON_ID age 1 5.399114e-315