On 25/03/2009, at 12:09 PM, Frank E Harrell Jr wrote:
<snip>
(2) Scrolling down to ``Byar and Green prostate cancer data''
appeared
to get
me to the right place. But I couldn't see any signs of any ``R
binary
files''.
Please look again. It's under the heading "R". Unfortunately I used
.sav suffix for save() files in the old days.
Ah-ha. Oh me of little faith. I have been hanging around (in
my current work environment) with too many SPSS users, and the
*.sav extension seems to be the standard for SPSS data files.
Whence my corrupted thinking.
The .xls fine opened with no problem in OpenOffice; has 506 rows.
Hmmm. When I opened it with Excel on the Mac I got a spread
sheet with 503 rows --- the first row being the column names,
so there were really 502 rows.
And 502 rows was what I got when I saved the *.xls file as a
*.csv file and then read that in.
Also, when I followed Phil Spector's excellent advice and
loaded prostate.sav from the website, using load(), I ***again***
got a data frame of 502 rows. This data frame is (modulo some
classes and attributes) identical with what I got from reading
from the *.csv file.
Where have the other four rows gone? Ravi Varadhan also observed
this phenomenon.
cheers,
Rolf
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