Dear list members, I am using function cbind but I got 2 different results, one is a data frame and the other is a matrix and I would like to undertand why is the reason:
I have a data frame called "finaldf" > names(finaldf) [1] "especie" "estrato" "oc1" "oc2" "oc3" "oc4" "oc5" "oc6" [9] "oc7" "oc8" "oc9" "oc10" "oc11" "oc12" "oc13" "oc14" [17] "oc15" "oc16" "oc17" "oc18" "oc19" "oc20" I tried (gave me a data frame): DET <- cbind(finaldf[, 3:22]) > head(DET) oc1 oc2 oc3 oc4 oc5 oc6 oc7 oc8 oc9 oc10 oc11 oc12 oc13 oc14 oc15 oc16 oc17 oc18 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 27 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 53 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 1 1 1 1 1 0 1 1 1 1 1 0 1 0 1 1 1 28 1 0 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 0 54 1 1 1 1 1 1 1 1 0 0 0 1 1 0 1 0 0 0 oc19 oc20 1 0 0 27 1 0 53 0 0 2 1 1 28 1 0 54 0 1 and gave me a different results when I tried (gave me a matrix): DET <- cbind(finaldf$oc1, finaldf$oc2, finaldf$oc3, finaldf$oc4, finaldf$oc5, finaldf$oc6, finaldf$oc7, finaldf$oc8, finaldf$oc9, finaldf$oc10, finaldf$oc11, finaldf$oc12, finaldf$oc13, finaldf$oc14, finaldf$oc15, finaldf$oc16, finaldf$oc17, finaldf$oc18, finaldf$oc19, finaldf$oc20) > head(DET) [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11] [,12] [,13] [,14] [1,] 0 0 0 0 0 0 0 0 1 0 0 0 0 0 [2,] 0 0 0 1 0 0 0 0 0 0 0 0 0 0 [3,] 0 0 0 0 0 0 0 0 0 0 0 0 0 0 [4,] 1 1 1 1 1 1 0 1 1 1 1 1 0 1 [5,] 1 0 1 0 1 1 1 1 1 1 1 1 0 1 [6,] 1 1 1 1 1 1 1 1 0 0 0 1 1 0 [,15] [,16] [,17] [,18] [,19] [,20] [1,] 0 0 0 0 0 0 [2,] 0 1 0 0 1 0 [3,] 0 0 0 0 0 0 [4,] 0 1 1 1 1 1 [5,] 1 1 1 0 1 0 [6,] 1 0 0 0 0 1 Best, Manuel -- *Manuel Spínola, Ph.D.* Instituto Internacional en Conservación y Manejo de Vida Silvestre Universidad Nacional Apartado 1350-3000 Heredia COSTA RICA mspin...@una.ac.cr mspinol...@gmail.com Teléfono: (506) 2277-3598 Fax: (506) 2237-7036 Personal website: Lobito de río <https://sites.google.com/site/lobitoderio/> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/> [[alternative HTML version deleted]]
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