Description Usage Arguments Details Value Author(s) See Also Examples
Given a matrix or object of type strat.column
with missing values (coded as NA), fill.ranges replaces the missing values that are between first and last occurrences of each taxon (column) with zeros.
1 | fill.ranges(x, out = 'internals', ...)
|
x |
an object of class strat.column or a numerical matrix |
out |
'internals' returns an index to the counts that are internal to ranges, 'min' replaces these internals with the minimum non-zero counts in each taxon, 'pa' returns a presence/absence matrix with ranges filled |
... |
not currently used. |
Any missing values (NAs) are converted to zeros before filling ranges.
fill ranges
returns the type of output that it was given as input to x: either a strat.column or a numeric matrix.
Walton Green
plot.strat.column
, stratigraph
1 | ##Need an example of data with missing values
|
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