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yanjinjg
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 647.4
- ºì»¨: 4
- Ìû×Ó: 81
- ÔÚÏß: 43.2Сʱ
- ³æºÅ: 2128595
- ×¢²á: 2012-11-15
- ÐÔ±ð: MM
- רҵ: »·¾³Î¢ÉúÎïѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
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library(vegan) otu=read.table("otu.txt",header=T) otu=otu.matrix(otu)#½«Êý¾ÝÀàÐÍת»¯Îª¾ØÕó Shannon.Wiener <- diversity(otu,index="shannon" #¼ÆËãÏãũָÊýSimpson <- diversity(otu,index="simpson" ![]() Inverse.Simpson <- diversity(otu,index="inv" ![]() S <- specnumber(otu)#¼ÆËãÎïÖÖÀÛ¼ÆÊý plot(S) J <- Shannon.Wiener/log(S) #¼ÆËãPielou¾ùÔȶÈÖ¸Êý J |
2Â¥2015-07-06 09:54:17
yanjinjg
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 647.4
- ºì»¨: 4
- Ìû×Ó: 81
- ÔÚÏß: 43.2Сʱ
- ³æºÅ: 2128595
- ×¢²á: 2012-11-15
- ÐÔ±ð: MM
- רҵ: »·¾³Î¢ÉúÎïѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
|
otu=read.table("otu.txt",header=T) otu=otu.matrix(otu) #½«Êý¾ÝÀàÐÍת»¯Îª¾ØÕó Shannon.Wiener <- diversity(otu,index="shannon" #¼ÆËãÏãũָÊýSimpson <- diversity(otu,index="simpson" ![]() Inverse.Simpson <- diversity(otu,index="inv" ![]() S <- specnumber(otu) #¼ÆËãÎïÖÖÀÛ¼ÆÊý plot(S) J <- Shannon.Wiener/log(S) #¼ÆËãPielou¾ùÔȶÈÖ¸Êý J |
3Â¥2015-07-06 09:56:13
yanjinjg
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 647.4
- ºì»¨: 4
- Ìû×Ó: 81
- ÔÚÏß: 43.2Сʱ
- ³æºÅ: 2128595
- ×¢²á: 2012-11-15
- ÐÔ±ð: MM
- רҵ: »·¾³Î¢ÉúÎïѧ
4Â¥2015-07-06 09:57:14
tanglianfa
½ð³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 2367
- É¢½ð: 1380
- ºì»¨: 2
- ɳ·¢: 1
- Ìû×Ó: 1316
- ÔÚÏß: 107.1Сʱ
- ³æºÅ: 14961324
- ×¢²á: 2019-04-26
- ÐÔ±ð: GG
- רҵ: »·¾³¹¤³Ì
5Â¥2021-05-15 11:22:42













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