Description Usage Arguments Details Value
This function constructs an unmarkedMultFrame object.
1 | unmarkedMultFrame(y, siteCovs, obsCovs, numPrimary, yearlySiteCovs)
|
y |
A matrix of the observed data. |
siteCovs |
Data frame of covariates that vary at the site level. |
obsCovs |
Data frame of covariates that vary within site-year-observation level. |
numPrimary |
Number of primary time periods (seasons in the multiseason model). |
yearlySiteCovs |
Data frame containing covariates at the site-year level. |
unmarkedMultFrame objects are used by
colext
.
For a study with M sites, T years, and a maximum of
J observations per site-year, the data are shaped as follows.
y
is an M by TJ matrix, with each row
corresponding to a site. siteCovs
is a data frame with M
rows. yearlySiteCovs
is a data frame with MT rows which
are in site-major, year-minor order. obsCovs
is a data frame
with MTJ rows, which are ordered by site-year-observation, so that
a column of obsCovs
corresponds to as.vector(t(y))
,
element-by-element. The number of years must be specified in
numPrimary
.
If the data are in long format, the convenience function
formatMult
is useful for creating the unmarkedMultFrame.
an unmarkedFrame object
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