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Difference between revisions of "Simpson"

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Line 14: Line 14:
 
*.simpson
 
*.simpson
  
numsampled 0.01 lci hci 0.02 lci hci 0.03 lci hci
+
numsampled 0.01 lci hci 0.02 lci hci 0.03 lci hci
1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
+
1 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
10 0.0000 0.0000 0.0000 0.0667 -0.0464 0.1797 0.0222 -0.0271 0.0716
+
10 0.0000 0.0000 0.0000 0.0667 -0.0464 0.1797 0.0222 -0.0271 0.0716
20 0.0000 0.0000 0.0000 0.0316 -0.0207 0.0839 0.0053 -0.0078 0.0183
+
20 0.0000 0.0000 0.0000 0.0316 -0.0207 0.0839 0.0053 -0.0078 0.0183
30 0.0000 0.0000 0.0000 0.0161 -0.0082 0.0404 0.0046 -0.0035 0.0127
+
30 0.0000 0.0000 0.0000 0.0161 -0.0082 0.0404 0.0046 -0.0035 0.0127
40 0.0000 0.0000 0.0000 0.0090 -0.0050 0.0230 0.0026 -0.0021 0.0072
+
40 0.0000 0.0000 0.0000 0.0090 -0.0050 0.0230 0.0026 -0.0021 0.0072
50 0.0000 -0.0000 0.0000 0.0073 -0.0020 0.0166 0.0024 -0.0011 0.0060
+
50 0.0000 -0.0000 0.0000 0.0073 -0.0020 0.0166 0.0024 -0.0011 0.0060
60 0.0006 -0.0009 0.0021 0.0062 -0.0010 0.0134 0.0017 -0.0008 0.0042
+
60 0.0006 -0.0009 0.0021 0.0062 -0.0010 0.0134 0.0017 -0.0008 0.0042
70 0.0015 0.0008 -0.0007 0.0024 0.0046 -0.0008 0.0099 0.0021 -0.0003
+
70 0.0015 0.0008 -0.0007 0.0024 0.0046 -0.0008 0.0099 0.0021 -0.0003
80 0.0016 -0.0002 0.0034 0.0041 -0.0003 0.0086 0.0035 0.0003 0.0067
+
80 0.0016 -0.0002 0.0034 0.0041 -0.0003 0.0086 0.0035 0.0003 0.0067
90 0.0012 -0.0002 0.0027 0.0032 -0.0003 0.0068 0.0042 0.0006 0.0079
+
90 0.0012 -0.0002 0.0027 0.0032 -0.0003 0.0068 0.0042 0.0006 0.0079
98 0.0011 -0.0002 0.0023 0.0029 -0.0001 0.0060 0.0044 0.0008 0.0080
+
98 0.0011 -0.0002 0.0023 0.0029 -0.0001 0.0060 0.0044 0.0008 0.0080

Revision as of 16:25, 14 January 2009

Validate output by making calculations by hand

*.simpson

These files give the classic Simpson Index of diversity.


<math>H_{Simpson} = \frac {\sum_{i=1}^{S_{obs}} {S_i \left ( S_i - 1 \right )}}{N \left( N-1 \right )}</math>


For the Amazonian dataset at distance 0.03, the Simpson Index is 0.0044.


  • .simpson
numsampled	0.01	lci	hci	0.02	lci	hci	0.03	lci	hci	
1		0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	0.0000	
10		0.0000	0.0000	0.0000	0.0667	-0.0464	0.1797	0.0222	-0.0271	0.0716	
20		0.0000	0.0000	0.0000	0.0316	-0.0207	0.0839	0.0053	-0.0078	0.0183	
30		0.0000	0.0000	0.0000	0.0161	-0.0082	0.0404	0.0046	-0.0035	0.0127	
40		0.0000	0.0000	0.0000	0.0090	-0.0050	0.0230	0.0026	-0.0021	0.0072	
50		0.0000	-0.0000	0.0000	0.0073	-0.0020	0.0166	0.0024	-0.0011	0.0060	
60		0.0006	-0.0009	0.0021	0.0062	-0.0010	0.0134	0.0017	-0.0008	0.0042	
70		0.0015	0.0008	-0.0007	0.0024	0.0046	-0.0008	0.0099	0.0021	-0.0003	
80		0.0016	-0.0002	0.0034	0.0041	-0.0003	0.0086	0.0035	0.0003	0.0067	
90		0.0012	-0.0002	0.0027	0.0032	-0.0003	0.0068	0.0042	0.0006	0.0079	
98		0.0011	-0.0002	0.0023	0.0029	-0.0001	0.0060	0.0044	0.0008	0.0080