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st: New Mata library on SSC: -moremata-


From   "Jann Ben" <ben.jann@soz.gess.ethz.ch>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: New Mata library on SSC: -moremata-
Date   Thu, 15 Sep 2005 10:58:58 +0200

Thanks to Kit Baum, a new Mata library called -moremata-
is available from SSC.

-moremata- contains various functions:

  * Quantile function: quantile(), median(), iqrange()
  * Cumulative distribution function: ecdf()
  * Grade transformation: relrank()
  * Running sum: colrunsum()
  * Linear interpolation: ipolate()
  * Convert string vector into string scalar: invtokens()
  * Convert string into real: realofstr()
  * Expand abbreviated string argument: strexpand()
  * Read/write spreadsheet files: insheet(), infile(),
    outsheet()

Note that most of the functions were previously available
via separate packages (-mf_insheet-, -mf_invtokens-,
-mf_ipolate-, -mf_quantile-, -mf_realofstr-; these packages
have been removed from SSC). However, -moremata- also
contains a new function called -strexpand()- and the
-ipolate()- function now also offers extrapolation.


IMPORTANT: REMOVE OLD MF_* PACKAGES FROM YOUR SYSTEM!

If one of the mentioned mf_* packages is installed on your
system, it must be removed before installing -moremata-.
Otherwise you will end up with multiple versions of the
same functions. To check whether you have such packages on
your system, type

 . ado, find(mf_)

This lists possible candidates along with their package
identification numbers. To remove a package, type

 . ado uninstall [pkid]

where pkid (typed in brackets) is the package id number.


After removing all old mf_* packages, -moremata- can be
installed typing

 . ssc install moremata

Then type

 . help moremata

to view the helpfile.

ben

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