Znn3bq.jpeg
²é¿´: 1380  |  »Ø¸´: 4

ÓÆÓÆÆ®Ñî

гæ (СÓÐÃûÆø)

[ÇóÖú] ÇëÎÊÄÄλ´óÉñ»áÓÃRÈí¼þ¼ÆËã΢ÉúÎï¶àÑùÐÔÖ¸Êý£¿ ÒÑÓÐ1È˲ÎÓë

ÇëÎÊÄÄλ´óÉñ»áÓÃRÈí¼þ¼ÆËã΢ÉúÎï¶àÑùÐÔÖ¸Êý£¿ÎÒµÄһЩ¸ßͨÁ¿ÊµÑéÊý¾ÝÏë×öÒ»Ð©ÌØÊâµÄ·ÖÎö£¬Îª´ËÐèҪѧϰһÏÂÓÃRÈí¼þ¼ÆËã΢ÉúÎï¶àÑùÐÔÖ¸Êý£¬
Çë»á×öµÄ´óÉñ°ÑÏêϸµÄ¹ý³Ìд¸øÎÒºÃÂ𣿷dz£¸Ðл£¡
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

¸ßͨÁ¿²âÐò

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yanjinjg

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

library(vegan)
otu=read.table("otu.txt",header=T)
otu=otu.matrix(otu)#½«Êý¾ÝÀàÐÍת»¯Îª¾ØÕó
Shannon.Wiener <- diversity(otu,index="shannon"#¼ÆËãÏãũָÊý
Simpson <- 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
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yanjinjg

½ð³æ (СÓÐÃûÆø)

¡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" #¼ÆËãÏãũָÊý
Simpson <- 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
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yanjinjg

½ð³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
ÓÆÓÆÆ®Ñî: ½ð±Ò+7, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£¸Ðл 2015-07-07 08:25:51
²»ÖªµÀÔõô»ØÊ£¬°ëÀ¨ºÅ·¢ÉÏÈ¥³ÉЦÁ³ÁË£¬ÄãÔÚÅÜR³ÌÐòʱºò×Ô¶¯²¹È«°É
4Â¥2015-07-06 09:57:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tanglianfa

½ð³æ (ÖøÃûдÊÖ)

ͬÇó£¬ÕÒµ½µÄÓв»ÉÙ²î¾à
5Â¥2021-05-15 11:22:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÓÆÓÆÆ®Ñî µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Öпƴó²ÄÁÏÓ뻯¹¤£¬353·Ö»¹Óе÷¼ÁѧУÂð +10 ·ñ¼«Ì©À´2026 2026-04-15 12/600 2026-04-17 17:54 by mapenggao
[¿¼ÑÐ] 0854Çóµ÷¼Á +21 ÃÅ·ÃþÃþ 2026-04-15 25/1250 2026-04-17 15:45 by qzxyhcsy
[¿¼ÑÐ] Ò»Ö¾Ô¸»¦9£¬326ÇóÉúÎïѧµ÷¼Á +11 Áõīī 2026-04-13 11/550 2026-04-17 15:35 by wanganpin
[¿¼ÑÐ] ±¾ÈËÅ®º¢ +8 ºðºð£¬ 2026-04-10 10/500 2026-04-17 11:28 by 4444si
[¿¼ÑÐ] 297£¬¹¤¿Æµ÷¼Á? +4 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-14 4/200 2026-04-16 22:52 by wulijun2012
[¿¼ÑÐ] »¯Ñ§070300 Çóµ÷¼Á +28 ¹þ¹þ¹þ^_^ 2026-04-12 28/1400 2026-04-16 21:36 by ´óÁ¦Ë®ÊÖÁ¦´óÎÞÇ
[¿¼²©] É격×Ô¼ö +3 LinxiaÁÖÏÄ 2026-04-13 3/150 2026-04-16 12:55 by Ä«ºÉ֮¶
[¿¼ÑÐ] 279ѧ˶ʳƷרҵÇóµ÷¼ÁԺУ 20+7 ¹Â¶ÀµÄÀǰ®³ÔÑò 2026-04-12 29/1450 2026-04-16 09:00 by screening
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +9 Ö½ÉÈzhishan 2026-04-13 9/450 2026-04-15 18:28 by ANÁ÷800
[¿¼ÑÐ] 085801µçÆø×¨Ë¶272Çóµ÷¼Á +19 µçÆøÀî 2026-04-13 21/1050 2026-04-15 13:37 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] 297¹¤¿Æµ÷¼Á? +14 ºÓÄÏũҵ´óѧ-ÄÜ 2026-04-13 15/750 2026-04-15 13:25 by ºÚ¿Æ¼¼¿óÒµ
[¿¼ÑÐ] ҩѧ305Çóµ÷¼Á +10 Â꿨°Í¿¨boom 2026-04-10 10/500 2026-04-14 15:55 by zs92450
[¿¼ÑÐ] ¿¼Ñе÷¼Á +13 ³¤¹­°Á 2026-04-13 14/700 2026-04-14 14:44 by zs92450
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤349·ÖÇóµ÷¼Á +16 Àîľ×Ó°¡¹þ¹þ 2026-04-12 17/850 2026-04-14 09:11 by fenglj492
[¿¼ÑÐ] 305Çóµ÷¼Á +8 Â꿨°Í¿¨boom 2026-04-11 8/400 2026-04-14 09:04 by pengliang8036
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ 0855 »úе 286 Çóµ÷¼Á +11 ²»»á³ÔÈâ 2026-04-12 11/550 2026-04-13 21:59 by bljnqdcc
[¿¼ÑÐ] Ò»Ö¾Ô¸085802 323·ÖÇóµ÷¼Á +13 drizzle_9 2026-04-12 14/700 2026-04-13 10:26 by Faiz5552
[¿¼ÑÐ] 0831Ò»ÂÖµ÷¼Áʧ°ÜÇóÖú +10 СÐÜî£î£_s 2026-04-11 10/500 2026-04-12 22:43 by ³¤¹­°Á
[¿¼ÑÐ] 352 Çóµ÷¼Á +6 yzion 2026-04-11 8/400 2026-04-11 16:24 by Ã÷Ô´ËʱÓÐ
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤329·ÖÇóµ÷¼Á +16 Ò¶zilin 2026-04-10 16/800 2026-04-11 11:04 by may_ÐÂÓî
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û