| head {secr} | R Documentation |
Returns the first or last parts of secr objects
## S3 method for class 'mask'
head(x, n=6L, ...)
## S3 method for class 'Dsurface'
head(x, n=6L, ...)
## S3 method for class 'traps'
head(x, n=6L, ...)
## S3 method for class 'capthist'
head(x, n=6L, ...)
## S3 method for class 'mask'
tail(x, n=6L, ...)
## S3 method for class 'Dsurface'
tail(x, n=6L, ...)
## S3 method for class 'traps'
tail(x, n=6L, ...)
## S3 method for class 'capthist'
tail(x, n=6L, ...)
x |
‘mask’, ‘traps’ or ‘capthist’ object |
n |
a single integer. If positive, size for the resulting object: number of elements for a vector (including lists), rows for a matrix or data frame or lines for a function. If negative, all but the n last/first number of elements of x. |
... |
other arguments passed to |
These custom S3 methods retain the class of the target object, unlike the default methods applied to ‘mask’, ‘Dsurface’, ‘traps’ or ‘capthist’ objects.
An object of the same class as x, but (usually) fewer rows.
head(possummask)