User Guide

56
Chapter 3

When using data files with variable names longer than eight bytes in SPSS 10.x
or 11.x, uni
que, eight-byte versions of variable names are used—but the original
variable names are preserved for use in release 12.0 or later. In releases prior to
SPSS 10, the original long variable names are lost if you save the data file.
 When using data files with string variables longer than 255 bytes in versions of
SPSS prior t
o release 13.0, those string variables are broken up into multiple
255-byte string variables.
SPSS 7.0 (*
.sav).
SPSS 7.0 for Windows format. Data files saved in SPSS 7.0 format
can be read by SPSS 7.0 and earlier versions of SPSS for Windows but do not include
defined multiple response sets or Data Entry for Windows information.
SPSS/PC+ (
*.sys).
SPSS/PC+format. Ifthedatafilecontainsmorethan500
variables, only the first 500 will be saved. For variables with more than one defined
user-missing value, additional user-missing values will be recoded into the first
defined u
ser-missing value.
SPSS Portable (*.por). SPSS portable format that can be read by other versions of
SPSS and versions on other operating systems (for example, Macintosh or UNIX).
Var iabl e
names are limited to eight bytes and are automatically converted to unique
eight-byte names if necessary.
Tab-delimited (*.dat). ASCII text files with values separated by tabs.
Fixed ASC
II (*.dat).
ASCII text file in fixed format, using the default write formats for
all variables. There are no tabs or spaces between variable fields.
Excel 2.1(*.xls). Microsoft Excel 2.1 spreadsheet file. The maximum number of
variabl
es is 256, and the maximum number of rows is 16,384.
Excel 97 and later (*.xls). Microsoft Excel 97/2000/XP spreadsheet file. The maximum
number of variables is 256, and the maximum number of rows is 65,536.
1-2-3 Re
lease 3.0 (*.wk3).
Lotus 1-2-3 spreadsheet file, release 3.0. The maximum
number of variables that you can save is 256.
1-2-3 Release 2.0 (*.wk1). Lotus 1-2-3 spreadsheet file, release 2.0. The maximum
number o
f variables that you can save is 256.
1-2-3 Release 1.0 (*.wks). Lotus 1-2-3 spreadsheet file, release 1A. The maximum
number of variables that you can save is 256.