Description Usage Arguments Value Examples
Extracts the intercepts, covariance matrix, etc. of a selection of isotopes from a larger dataset
1 2 3 4 5 6 7 8 9 10 11 12 13 |
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
1 2 3 4 5 6 | 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)
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