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01 Mar 2016 11:38:20 UTC
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- License: perl_5
- Perl: v5.6.0
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++ed by:1 non-PAUSE user- Dependencies
- Algorithm::Combinatorics
- Math::Cephes
- Statistics::Lite
- Statistics::Sequences
- Statistics::Zed
- and possibly others
- Reverse dependencies
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Changes for version 0.20
- corrected calculation of circularized psi-sq: was implemented from Good (1953, Eq. 2), the original paper on this test. However, it was seen (after multiple use) to sometimes yield negative values - because it does not square the observed-expected count difference in the sum-of-squares. This was (silently) corrected in Good & Gover (1957), which is now implemented.
- psisq() called in list context now also returns df and p_value
- removed z_value method - only appropriate if df = 1, and requires test of validity
- removed from code undocumented and inappropriate option to set "tails" for p_value (error of code-recycling from other Sequence modules)
- removed "nstates" arg from nnomes() method; just supply aref of "states" if necessary, as for other methods
- croak re undefined or zero length argument rewritten, made method-specific
- removed croak from observed() if a defined length of v is not valid so that frequencies can still be obtained
- removed doc of excessive aliases for observed() and other methods - support remains but will be removed in next version
- removed NIST examples from testing as these appear to be basd on circularizing the sequence but then calculating the expectation value in the sum-of-squares in a way that is appropriate for uncircularized sequences.
- added DIAGNOSTICS section to POD
Modules
Serial Test psi-square for equiprobability of v-nomes (or Ngrams) (Good's and Kendall-Babington-Smith's tests)Module Install Instructions
To install Statistics::Sequences::Vnomes, copy and paste the appropriate command in to your terminal.
cpanm Statistics::Sequences::Vnomes
perl -MCPAN -e shell install Statistics::Sequences::Vnomes
For more information on module installation, please visit the detailed CPAN module installation guide.