fit distributions {isobar} | R Documentation |
Functions to fit the probability density functions on ratio distribution.
fitCauchy(x) fitNorm(x, portion = 0.75) fitWeightedNorm(x, weights) fitNormalCauchyMixture(x) fitGaussianMixture(x, n = 500) fitTlsd(x)
x |
Ratios |
weights |
Weights |
portion |
Central portion of data to take for computation |
n |
number of sampling steps |
Florian P Breitwieser, Jacques Colinge.
library(distr) data(ibspiked_set1) data(noise.model.hcd) # calculate protein ratios of Trypsin and CERU_HUMAN. Note: this is only # for illustration purposes. For estimation of sample variability, data # from all protein should be used pr <- proteinRatios(ibspiked_set1,noise.model=noise.model.hcd, cl=as.character(c(1,1,2,2)),combn.method="intraclass",protein=c("136429","P00450")) # fit a Cauchy distribution ratiodistr <- fitCauchy(pr$lratio) plot(ratiodistr)