Discrete_Cosine_Transform {PSSMCOOL}

Discrete Cosin Transform Feature

Description

To construct this feature vector, Two-Dimensional DCT algorithm has been used by applying dct function from dtt package which DCT stands for Discrete Cosin Transform.

Usage

Discrete_Cosine_Transform(pssm_name)

Arguments

pssm_name

name of PSSM Matrix file

Value

feature vector of length 400

References

Wang, L., et al., Advancing the prediction accuracy of protein-protein interactions by utilizing evolutionary information from position-specific scoring matrix and ensemble classifier. 2017. 418: p. 105-110.

Y. Wang, Y. Ding, F. Guo, L. Wei, and J. J. P. o. Tang, "Improved detection of DNA-binding proteins via compression technology on PSSM information," vol. 12, no. 9, 2017.

Examples

X<-Discrete_Cosine_Transform(system.file("extdata", "C7GQS7.txt.pssm", package="PSSMCOOL"))