Displaying 2 results from an estimated 2 matches for "underpopulated".
2010 Apr 16
0
Removing empty (or very underpopulated) sub-populations
...(numeric variable), 2) group is grouping
variable (factor), 4) normality is a function which takes one variable as
argument, and the tries to figure out wheter it's normal (TRUE) or not
(FALSE).
My problem is that sometimes, some combinations of response~group produce
empty populations or very underpopulated (eg. situation when you examine
relation between country of origin and age of respondents, and it turns out,
that you have only one guy from some country). It causes a failure of my
function.
I've been wondering wheter there is some way to exclude those underpopulated
groups from analysis?
Be...
2015 Feb 26
2
Vorbis I spec errata: single entry codebooks
...single-entry
codebook may be either a fully populated codebook with only one
declared entry, or a
sparse codebook with only one entry marked used. The Vorbis I spec
provides no means
to specify a codeword length of zero, and as a result, a single-entry
codebook is inherently
malformed because it is underpopulated. The original specification did
not address directly the
matter of single-entry codebooks; they were implicitly illegal as it
was not possible to write such
a codebook with a valid tree structure.
In r14811 of the libvorbis reference implementation, Xiph added an
additional check to the
codebook i...