Perform correlation directed analysis for peaks list.

Source: R/sda.R

Perform correlation directed analysis for peaks list.

getcda(list, corcutoff = 0.9, rtcutoff = 10, accuracy = 4)

Arguments

list

a list with mzrt profile

corcutoff

cutoff of the correlation coefficient, default NULL

rtcutoff

cutoff of the distances in retention time hierarchical clustering analysis, default 10

accuracy

measured mass or mass to charge ratio in digits, default 4

Value

list with correlation directed analysis results

See also

getsda,getrda

Examples

data(spmeinvivo)
cluster <- getpseudospectrum(spmeinvivo)
#> 75 retention time clusters found.
#> Using ng = 15
#> 5 unique PMDs retained.
#> The unique within RT clusters high frequency PMD(s) is(are)  28.03 21.98 44.03 17.03 18.01.
#> 409 isotope peaks found.
#> 109 multiple charged isotope peaks found.
#> 251 multiple charged peaks found.
#> 346 paired peaks found.
#> 245 pseudo spectrum found.
#> 0.84 peaks covered by PMD relationship.
cbp <- enviGCMS::getfilter(cluster,rowindex = cluster$stdmassindex2)
cda <- getcda(cbp)