Hi everybody,
I am tring to get some statistical evidence of differences between my two
fungal mycorrhizal communities (samples from two different Host species)
with ANOSIM test, that's my code:
> dist.ABCD <- vegdist(sqrt.ABCD.1)
> attach(env.table1)
> ABCD.ano <- anosim(dist.ABCD, Host)
> summary(ABCD.ano)
Call:
anosim(dat = dist.ABCD, grouping = Host)
Dissimilarity: bray
ANOSIM statistic R: 0.272
Significance: 0.001
Based on 999 permutations
Empirical upper confidence limits of R:
90% 95% 97.5% 99%
0.0407 0.0554 0.0724 0.0952
As I read in a paper, also an R value of 0.27 could be considered
significant. So similar samples are inside the communities and not outside
them, is it roght?
Thank you for you time and patience,
Gian
--
Gian Maria Niccolò Benucci
Ph.D. Candidate
Department of Applied Biology - University of Perugia
Borgo XX Giugno, 74
I-06121 - Perugia, ITALY
Tel: +39.0755856433
Fax: +39.0755856069
Email: [email protected]
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