binCovariate | R Documentation |
Forms a new covariate, replacing values of an old covariate by the central value of equal-width bins.
binCovariate(object, covname, width)
object |
secr object with covariates attribute (capthist, traps, mask) |
covname |
character name of covariate |
width |
numeric bin width |
The name of the new covariate is paste0(covname, width)
.
Fails if covariate not found or is not numeric or there is already a covariate with the new name.
Multi-session objects are handled appropriately.
Object of the same class as the input with new covariate.
covariates
, skink
# bin values of skink snout-vent length (mm)
infraCH <- binCovariate (infraCH, 'SVL', 5)
table(covariates(infraCH[[1]])$SVL5)
# bin values of trap covariate 'HtBrack' (height of bracken, cm)
traps(infraCH) <- binCovariate(traps(infraCH), "HtBrack", 20)
table(covariates(traps(infraCH)[[1]])$HtBrack20)
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