db {BookEKM} | R Documentation |
Norwegian database with 17 EXS17 markers and 6 additional markers.
data(db)
A data frame with 324 observations on the following 3 variables.
Marker
a factor with levels corresponding to name of markers
Allel
a numeric vector denoting allele
Frequency
a numeric vector in (0,1)
The format is convenient for R
Dupuy et al. (2013), unpublished.
data(db) #Checks that frequencies add to 1 lapply(split(db$Frequency,db$Marker),sum) #Finds number of alleles for all markers unlist(lapply(split(db$Frequency,db$Marker),length)) #A closer look at the marker SE33 SE33=db[db$Marker=="SE33",] barplot(SE33$Frequency)