Description Usage Arguments Details Value Author(s) References See Also Examples
Returns a re-zeroed matrix y
from the de-zeroed vector, a sparse matrix.
1 | gjamReZero( yDeZero )
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yDeZero |
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Many abundance data sets are mostly zeros. gjamReZero
recovers the full matrix from de-zeroed list yDeZero
written by gjamDeZero
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re-zeroed |
James S Clark, jimclark@duke.edu
Clark, J.S., D. Nemergut, B. Seyednasrollah, P. Turner, and S. Zhang. 2016. Generalized joint attribute modeling for biodiversity analysis: Median-zero, multivariate, multifarious data. Ecological Monographs 87, 34-56.
gjamDeZero
to de-zero ymat
website: 'http://sites.nicholas.duke.edu/clarklab/code/'.
1 2 3 4 5 6 7 8 | ## Not run:
library(repmis)
source_data("https://github.com/jimclarkatduke/gjam/blob/master/fungEnd.RData?raw=True")
ymat <- gjamReZero(fungEnd$yDeZero) # OTUs stored without zeros
length(fungEnd$yDeZero$yvec) # size of stored version
length(ymat) # full size
## End(Not run)
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