Description Usage Arguments Value Author(s) References Examples
Converts a matrix to a list, calculates matrix fill, or exclude rows/columns with certain rox/column sums.
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x |
A vector or matrix to be converted. |
MARGIN |
Margin in |
cutoff |
Numeric, exclude rows/columns with sums <= |
attrib |
Logical, if a vector of excluded rows/columns should be attached to the return value as an attribute. |
mat2list
returns a list of length nrow(x)
or ncol(x)
depending on MARGIN
.
Elements are rows/columns of x
. Dimnames are retained as names.
mfill
returns a single number with the matrix fill value.
rdrop
and cdrop
returns the original object but excluding rows (rdrop
), or columns (cdrop
)
that has sum <= cutoff
. Excluded row/colum numbers and specifications are stored in the "exclude"
attribute of attrib = TRUE
.
P\'eter S\'olymos, solymos@ualberta.ca
S\'olymos P. (2008) mefa: an R package for handling and reporting count data. Community Ecology 9, 125–127.
S\'olymos P. (2009) Processing ecological data in R with the mefa package. Journal of Statistical Software 29(8), 1–28. http://www.jstatsoft.org/v29/i08/
http://mefa.r-forge.r-project.org/
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