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Stata Technical Bulletin

an22 Stata for IBM RS/6000 workstation

Ted Anderson, CRC, FAX 310-393-7551

Also among the new ports is Stata for the RISC Station/6000, IBM’s Unix-based workstation. This port is complete and is
shipping now. Pricing is the same as for Stata on all other Unix platforms.

There is little to say about this port because Stata/Unix is Stata/Unix. For instance, the IBM RS/6000 uses X Windows and
Stata uses its standard X-window driver to support the RS/6000. Congratulations are due mainly to IBM for supporting the X
Window standard and all the rest of the Unix standards.

crc13 Short describes, finding variables, and codebooks

We have implemented three new commands related to describe: ds, Iookfor, and codebook. Two of these commands
are useful interactively—ds and Iookfor. Now that (Intercooled and Unix) Stata allow up to 2,047 variables in a data set,
finding the variable you want can be difficult.

ds simply lists the variable names in a compact format:

The syntax for ds is ds {vaιiist∖.

Iookfor helps in finding variables:
. Iookfor tax

The syntax for Iookfor is look for string {string [...]]. Iookfor searches for string, ignoring case, within the variable names
and labels. Thus, ‘lookfor median’ found rnkhhinc because the word median was in the variable label. If multiple strings
are specified, variable names or labels containing any of the strings are listed.

codebook examines the variable names, labels, and data to produce a “code book” describing the data.

. codebook, mv

fips---------------------------------------------------------state∕place code

type : numeric (long)
range: [10060,560050]               units: 1

unique values: 956                  coded missing: O / 956

mean:    256495

std. dev:    156998

percentiles:          107.        257.        507.        757.        907.

61462    120426    252848    391360    482530

division ------------------------------------------------------ Census Division

type: numeric (int)
label: division
range: [1,9]                          units: 1

unique values: 9                    coded missing: O / 956

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