Description Usage Arguments Value Other Functions Required Author(s)
This function determine the bumber of levels of hierarchical randomization for a GRTS survey design.
1 | numLevels(samplesize, shift.grid, startlev, maxlev, sfobject)
|
samplesize |
The desired smaple size. |
shift.grid |
Logical value indicating whether the GRTS grid should be randomly shifted. |
startlev |
The initial number of levels for the GRTS grid. |
maxlev |
The maximum number of levels for the GRTS grid. |
sfobject |
The sf object containing the survey frame. |
A list containing the number of levels, x-coordinates, y-coordinates, x-axis grid cell dimension, y-axis grid cell dimension, cell total weights, and sampling interval.
cellWeight
calculates total inclusion probability for each cell in a grid
Tom Kincaid Kincaid.Tom@epa.gov
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