sort.capthist | R Documentation |
Rows are sorted by fields in covariates or by a provided sort key of length equal to the number of rows.
## S3 method for class 'capthist'
sort(x, decreasing = FALSE, by = "",
byrowname = TRUE,...)
## S3 method for class 'mask'
sort(x, decreasing = FALSE, by = "",
byrowname = TRUE,...)
x |
|
decreasing |
logical. Should the sort be increasing or decreasing? |
by |
character vector (names of covariates) or data frame whose columns will be used as sort keys |
byrowname |
logical. Should row name be used as a final sort key? |
... |
other arguments (not used) |
For multi-session capthist
objects only the named covariate form
is suitable as the number of rows varies between sessions.
If requested, rows are sorted by rowname within by
. The effect of
the defaultsis to sort by rowname.
The attribute markingpoints of a mask object is removed if present, as it is no longer meaningful.
capthist
or mask
object with sorted rows; any relevant attributes are
also sorted (covariates, signal, xy)
capthist
sort(ovenCH, by = "Sex")
covariates(ovenCH)[["2005"]]
covariates(sort(ovenCH, by = "Sex"))[["2005"]]
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