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SPSS® 12.0 Command Syntax Reference

SPSS® 12.0 Command Syntax Reference

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20 Universals<br />

Figure 7 Single N in the matrix system file<br />

FILE: MATRIX FILE<br />

SEX: 1 FEMALE<br />

SEX ROWTYPE_ VARNAME_ FOOD RENT PUBTRANS TEACHER COOK ENGINEER<br />

1 MEAN 73.4666667 136.800000 54.0000000 46.8000000 73.8666667 60.0000000<br />

1 STDDEV 15.9860058 119.210019 26.6431444 19.4209018 30.0353760 22.2614337<br />

1 N 15.0000000 15.0000000 15.0000000 15.0000000 15.0000000 15.0000000<br />

1 CORR FOOD 1.0000000 .3652366 .5371597 .1733358 .1358120 .3773434<br />

1 CORR RENT .3652366 1.0000000 .0989524 -.0735708 .1914448 .1213899<br />

1 CORR PUBTRANS .5371597 .0989524 1.0000000 .6097397 .3811372 .6409265<br />

1 CORR TEACHER .1733358 -.0735708 .6097397 1.0000000 .4314755 .7312415<br />

1 CORR COOK .1358120 .1914448 .3811372 .4314755 1.0000000 .7893533<br />

1 CORR ENGINEER .3773434 .1213899 .6409265 .7312415 .7893533 1.0000000<br />

NUMBER OF CASES READ = 9 NUMBER OF CASES LISTED = 9<br />

FILE: MATRIX FILE<br />

SEX: 2 MALE<br />

SEX ROWTYPE_ VARNAME_ FOOD RENT PUBTRANS TEACHER COOK ENGINEER<br />

2 MEAN 69.6428571 114.464286 46.1428571 33.7500000 60.2142857 60.1785714<br />

2 STDDEV 20.3437392 81.8474109 24.0011023 27.4356149 30.2952840 28.8752792<br />

2 N 28.0000000 28.0000000 28.0000000 28.0000000 28.0000000 28.0000000<br />

2 CORR FOOD 1.0000000 .1752920 .5784136 .6638084 .4898941 .5190702<br />

2 CORR RENT .1752920 1.0000000 -.1817862 -.0491139 .0727153 .3508598<br />

2 CORR PUBTRANS .5784136 -.1817862 1.0000000 .7447511 .7170419 .6580408<br />

2 CORR TEACHER .6638084 -.0491139 .7447511 1.0000000 .6711871 .6650047<br />

2 CORR COOK .4898941 .0727153 .7170419 .6711871 1.0000000 .7688210<br />

2 CORR ENGINEER .5190702 .3508598 .6580408 .6650047 .7688210 1.0000000<br />

NUMBER OF CASES READ = 9 NUMBER OF CASES LISTED = 9<br />

Long Variable Names<br />

In some instances, data files with variable names longer than eight bytes require special consideration:<br />

• If you save a data file in portable format (see “EXPORT” on p. 529), variable names that<br />

exceed eight bytes are converted to unique eight character names. For example,<br />

mylongrootname1, mylongrootname2, and mylongrootname3 would be converted to mylongro,<br />

mylong_2, and mylong_3 respectively.<br />

• When using data files with variable names longer than eight bytes in SPSS 10.x or 11.x,<br />

unique, eight byte versions of variable names are used -- but the original variable names<br />

are preserved for use in release <strong>12.0</strong> or later. In releases prior to SPSS 10, the original long<br />

variable names are lost if you save the data file.<br />

• Matrix data files (commonly created with the MATRIX OUT subcommand available in<br />

some procedures) in which the VARNAME_ variable is longer than an 8 byte string cannot<br />

be read by releases of SPSS prior to <strong>12.0</strong>.<br />

2

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