search for: silu

Displaying 3 results from an estimated 3 matches for "silu".

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2013 Jan 04
3
help "reshaping" dataframe
...2003 202 4 2021 MICH 1 4 3 2003 202 1 2021 MISA 1 1 4 2003 202 1 2021 MOBO 1 1 5 2003 202 2 2021 MOBO 1 2 6 2003 202 3 2021 MOBO 1 3 7 2003 202 4 2021 MOBO 1 4 8 2003 202 1 2021 SILU 1 1 9 2003 202 4 2021 SILU 1 4 10 2003 202 5 2021 TYSA 1 5 11 2003 202 1 2021 ZEAU 1 1 12 2003 202 3 2021 ZEAU 1 3 13 2003 202 4 2021 ZEAU 1 4 14 2003 202 5 2021 ZEAU 1 5 15 2003 202...
2012 Nov 21
1
Listing elements of a 4D array
Dear list, I'm having trouble to see how my elements on a 4 dimensional array are listed. For example, I generated the following array: junk.melt=melt(occ.data,id.var=c("Especie", "Site", "Rep", "Año"), measure.var="Pres") y=cast(junk.melt, Site ~ Rep ~ Especie ~ Año) Now, I want to be able to look at how my species (Especie) are listed, in
2013 Jan 16
4
Changing frequency values to 1 and 0
Dear list, I'm working with a large data set, where I grouped several species in one group (guild). Then I reshaped my data as shown below. Now, I just want to have "Rep" only as 1 or 0. I'm not being able to change the values of rep>=1 to 1... tried many things and I'm not being successful! > melting=melt(occ.data,id.var=c("guild", "Site",