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Using the observations obtained at this step, matrix R ( i ) is generated.
In the second exercise, the gathered insights were categorized into a STEP matrix: Social, Technological, Economic and Political.
Our data set had 250 steps for ordered parsimony and 13.36 steps for our weighted step matrix.
When there was evidence for saturation, the parsimony analysis was adjusted using a step matrix by weighting transversions inversely against transitions, based on their frequency.
Both these values were highly significant (P << 0.0001), as the 9,999 randomized data sets had from 558 to 749 steps for ordered parsimony and from 27.49 to 37.12 steps for our weighted step matrix.
In this approach nucleotide correspondences (putative positional homologies) and their transformations (substitutions and insertion-deletion events) are simultaneously optimized for each tree topology provided an optimality criterion and a cost function (transformation step matrix).
Similar(49)
For DNA and protein parsimony the default PAUP* 4.0b10 [ 45] step matrices were used.
Operons were coded as multistate characters defined by step matrices, with unspecified ancestral states.
The model predicts that diminishing returns for porosity reduction will occur after 4 processing steps (matrix porosity of ∼51%), and that >10 processing steps are required for matrix porosity <50%.
A four-step matrix can be constructed, building upon the three dimensions: systematic error, random error, and design error.
A four-step matrix was constructed using the three dimensions of systematic error, random error, and design error.
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CEO of Professional Science Editing for Scientists @ prosciediting.com