[R-sig-eco] Dissimilarity ranking

2010-12-10 Thread Yong Zhang
the best. 2010-12-10 Yong Zhang, ph.D. Lab of aquatic insect stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, China 210095 Cell: (+86) 025-84395241 email:2010202...@njau.edu.cn ___ R-sig-ecology mailing list R-sig-ecology

[R-sig-eco] How to change the pattern of my dataset??

2010-12-21 Thread Yong Zhang
site3 D 4 . . . . . site4 A 2 site4 B 2 site4 C 5 site4 D 1 . . . . . . . Could one know which package should I take? And, which function shou I use? Please answer in details if you can. Thanks very much for you time and suggestion. All the best. Yong Zhang, Ph.D. Lab of aquatic insects

[R-sig-eco] Which analysis should I take?

2010-12-27 Thread Yong Zhang
my objective. Thanks very much for your time and suggestion. Best Regards Yong 2010-12-28 Yong Zhang, Ph.D. Lab of aquatic insects stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, 210095,China Phone number: (+86) -25-84395241 E-mail:2010202...@njau.edu.cn

Re: [R-sig-eco] R-sig-ecology Digest, Vol 33, Issue 20

2010-12-28 Thread Yong Zhang
Thanks very much. I have downloaded that package, I will try my best to study that.. 2010-12-28 Yong Zhang, Ph.D. Lab of aquatic insects stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, 210095,China Phone number: (+86) -25-84395241 E-mail:2010202

[R-sig-eco] Stepwise multiple linear regression analysis??

2010-12-28 Thread Yong Zhang
2010-12-28 Yong Zhang, Ph.D. Lab of aquatic insects stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, 210095,China Phone number: (+86) -25-84395241 E-mail:2010202...@njau.edu.cn 发件人: r-sig-ecology-request 发送时间: 2010-12-28 18:58:05 收件人: r-sig-ecology 抄送

[R-sig-eco] What statistical analysis should I take??

2011-01-11 Thread Yong Zhang
, Yong ps: If anyone have any idea, please tell me in details, because I am green. Thanks very much for your time! 2011-01-12 Yong Zhang, Ph.D. Lab of aquatic insects stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, 210095,China Phone number: (+86) -25-84395241 E

[R-sig-eco] Transformation of the data.

2011-01-12 Thread Yong Zhang
? 2011-01-12 Yong Zhang, Ph.D. Lab of aquatic insects stream ecology Dept.of Entonology, Nanjing Agricultural University Nanjing, 210095,China Phone number: (+86) -25-84395241 E-mail:2010202...@njau.edu.cn ___ R-sig-ecology mailing list R-sig

[R-sig-eco] How to form the similarity matrix of such kind of data?

2011-01-13 Thread Yong Zhang
to these, how should I form the similarity matrix among those sites? And which kind of similarity index should I take ? Is the Bray-Crutis similarity index is ok for me ? Thanks very much for your suggestion and your time. Yong 2011-01-13 Yong Zhang, Ph.D. Lab of aquatic insects stream

[R-sig-eco] CALIBRATE program

2011-03-14 Thread Yong Zhang
, university of Newcastle, UK. I really want to know if anyone has used this before? Or, if there is any package in R has the identical function as CALIBRATE? Thanks very much in advance, and any of your reply will be greatly appreciated. All the best Yong 2011-03-14 Yong Zhang, Ph.D. Lab

[R-sig-eco] How to creat such kind of plot in R ?

2011-05-03 Thread Yong Zhang
Dear list, Attached is the plot which I 'd like to creat, I first meet such kind of plot when I read one paper Urbanization gradients in streams of Anchorage, Alaska: a comparison of multivariate and multimetric approaches to classification, A. M. Milner, Hydrobiologia, 2000 But, it seems

Re: [R-sig-eco] R-sig-ecology Digest, Vol 38, Issue 2

2011-05-04 Thread Yong Zhang
than Re: Contents of R-sig-ecology digest... Today's Topics: 1. How to creat such kind of plot in R ? (Yong Zhang) 2. Re: How to creat such kind of plot in R ? (Jinlong Zhang) -- Message: 1 Date: Tue, 3 May 2011 16:50

[R-sig-eco] Which season is the most sensible one for investigation?

2011-05-13 Thread Yong Zhang
purpose is to find out the most proper season, in which the 12 samples could be grouped most correctly. I am not whether I make myself clear or not, thanks in advance for your time and suggestion, and any of the hints will be greatly appreciated. Cheers, Yong ZHANG

[R-sig-eco] How to test the difference between fractions of variation based on bootstrap test in redundancy analysis in R ?

2012-06-21 Thread Yong Zhang
is: how can I do this in R? If it is possible, could anyone please give me some hints (i.e., the corresponding R code for running this). Thank you in advance for you time and consideration, and I apologize for any inconveninece that I brought. Have a nice day! Yong ZHANG Yong Lab