[R-sig-Geo] Moran´s I

NicoP Nicopollex at yahoo.de
Sun Feb 3 16:59:10 CET 2013


Hello,

ich have 

 Miete <- read.table(..., header = TRUE, sep = ";", dec=",")
> 
> 
> head (Miete, n=10)
   Respondent Miete      lat       lon
1         584   550 49.87128  8.650939
2         418   620 48.12676 11.555891
3         829   550 53.09142  8.805106
4        1381   512 54.09108 12.106584
5         939   290 53.55610  8.579847
6         727   345 54.33311 10.123090
7          26   460 53.62416 10.023311
8         679   180 52.56844 13.502090
9         324   450 48.09125 11.521790
10        207   880 48.15264 11.579110
> 
> Miete.dists <- as.matrix(dist(cbind(Miete$lon, Miete$lat)))
> 
> Miete.dists.inv <- 1/Miete.dists
> diag(Miete.dists.inv) <- 0
> Miete.dists.inv[1:10, 1:10]
           1          2         3         4         5         6         7        
8          9         10
1  0.0000000  0.2951138 0.3101904 0.1833454 0.2713336 0.2128375 0.2502544
0.1801631  0.2960409  0.2945268
2  0.2951138  0.0000000 0.1761868 0.1669538 0.1615121 0.1569960 0.1752226
0.2062133 20.3113455 28.7617086
3  0.3101904  0.1761868 0.0000000 0.2898969 1.9364969 0.5522520 0.7521068
0.2115950  0.1757308  0.1765379
4  0.1833454  0.1669538 0.2898969 0.0000000 0.2803412 0.5004488 0.4683936
0.4841688  0.1658854  0.1677342
5  0.2713336  0.1615121 1.9364969 0.2803412 0.0000000 0.5787651 0.6920094
0.1991892  0.1611237  0.1618113
6  0.2128375  0.1569960 0.5522520 0.5004488 0.5787651 0.0000000 1.3967632
0.2623262  0.1563318  0.1574887
7  0.2502544  0.1752226 0.7521068 0.4683936 0.6920094 1.3967632 0.0000000
0.2750697  0.1744521  0.1757961
8  0.1801631  0.2062133 0.2115950 0.4841688 0.1991892 0.2623262 0.2750697
0.0000000  0.2042655  0.2076266
9  0.2960409 20.3113455 0.1757308 0.1658854 0.1611237 0.1563318 0.1744521
0.2042655  0.0000000 11.9061332
10 0.2945268 28.7617086 0.1765379 0.1677342 0.1618113 0.1574887 0.1757961
0.2076266 11.9061332  0.0000000
> require(ape)
> Moran.I(Miete$Miete, Miete.dists.inv)
Error in if (obs <= ei) 2 * pv else 2 * (1 - pv) : 
  missing value where TRUE/FALSE needed


I dont understand the error. I can´t calculate Morans´ I Coefficient.


Can anyone help me ??

Many thanks !!




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