eigen_pi: Compute PI - proportion of observations missing completely at...

Description Usage Arguments Value Examples

View source: R/MBImpute.R

Description

Compute PI - proportion of observations missing completely at random

Usage

1
eigen_pi(m, toplot = TRUE)

Arguments

m

matrix of abundances, numsmaples x numpeptides

toplot

TRUE/FALSE plot mean vs protportion missing curve and PI

Value

pi estimate of the proportion of observations missing completely at random

Contributed by Shelley Herbrich & Tom Taverner for Karpievitch et al. 2009

Examples

1
2
3
4
5
6
7
data(mm_peptides)
intsCols = 8:13
metaCols = 1:7
m_logInts = make_intencities(mm_peptides, intsCols)
m_prot.info = make_meta(mm_peptides, metaCols)
m_logInts = convert_log2(m_logInts)
my.pi = eigen_pi(m_logInts, toplot=TRUE)

ProteoMM documentation built on Nov. 8, 2020, 5:57 p.m.