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snQTL (version 0.2)

BinarySearch: Search soft threshold

Description

A binary search to find proper soft threshold lamv such that $$sv = soft(argv, lamv) / ||soft(argv, lamv)||_2, ||sv||_1 = sumabsv$$

Usage

BinarySearch(argv, sumabsv, maxiter = 150)

Value

the proper threshold level lamv.

Arguments

argv

the vector to be soft thresholded

sumabsv

upperbound of the L_1 norm of sv

maxiter

max iteration to perform binary search

See Also

symmPMD().