Discrete_Cosine_Transform {PSSMCOOL} | R Documentation |
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.
Discrete_Cosine_Transform(pssm_name)
pssm_name |
name of PSSM Matrix file |
feature vector of length 400
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.
X<-Discrete_Cosine_Transform(system.file("extdata", "C7GQS7.txt.pssm", package="PSSMCOOL"))