[Corpora-List] LSA and number of factors

From: Matthew T. Bell (mbell@cs.pitt.edu)
Date: Mon Jul 21 2003 - 19:18:50 MET DST

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    Dear Corpora list,

    I'm performing an experiment with LSA, and notice that the scripts
    provided in the LSA distribution allow independent tweaking of the number
    of factors used in the indexing and the querying steps, i.e. there is a
    script for performing indexing (pindex), and another for performing
    querying (Q), and both allow me to set the number of factors considered.

    Does it make any sense, given these are independent, to vary the number of
    factors at both steps independently for parameter testing/tuning?

    Thanks in advance for any advice!

    Regards,

    Matthew Bell
    Graduate Student
    University of Pittsburgh

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