PSSMCOOL (version 0.2.3)

pssm_ac: auto covariance transformation feature vector

Description

The AC variable measures the correlation of the same property between two residues separated by a distance of lg along the sequence

Usage

pssm_ac(pssm_name, lg = 18)

Arguments

pssm_name

name of the PSSM Matrix file

lg

a parameter which indicates distance between two residues

Value

feature vector which its length depends on parameter lg

References

Dong, Q., Zhou, S. and Guan, J. (2009) A new taxonomy-based protein fold recognition approach based on autocross-covariance transformation, Bioinformatics, 25, 2655-2662.

Examples

# NOT RUN {
q<-pssm_ac(system.file("extdata", "C7GQS7.txt.pssm", package="PSSMCOOL"),17)
# }