getmasses {ArArRedux} | R Documentation |
Extracts the intercepts, covariance matrix, etc. of a selection of isotopes from a larger dataset
getmasses(x, ...) ## Default S3 method: getmasses(x, ...) ## S3 method for class 'timeresolved' getmasses(x, mass, invert = FALSE, ...) ## S3 method for class 'logratios' getmasses(x, num, den, invert = FALSE, ...) ## S3 method for class 'redux' getmasses(x, num, den, invert = FALSE, ...)
x |
an object of class |
... |
other arguments |
mass |
a vector of strings denoting the masses of interest |
invert |
boolean parameter indicating whether the selection should be inverted (default = FALSE) |
num |
vector of strings indicating the numerator isotopes |
den |
vector of string indicating the denominator isotopes |
an object of the same class as x
kfile <- system.file("K-glass.csv",package="ArArRedux") masses <- c("Ar37","Ar38","Ar39","Ar40","Ar36") mk <- loaddata(kfile,masses) lk <- fitlogratios(blankcorr(mk,"EXB#","K:"),"Ar40") k <- getmasses(lk,"Ar39","Ar40") # subset of the relevant isotopes plotcorr(k)