[BiO BB] Z-score and E-value.

[Iddo Friedberg]

Judging from your questions, you should probably fortify your statistical
background. 

However, to answer your questions specifically, the exact calculations are
described later on in the tutorial, pages 30 onwards. 

Best,

Iddo

--
Iddo Friedberg, Ph.D.
The Burnham Institute
10901 N. Torrey Pines Rd.
La Jolla, CA 92037, USA
Tel: +1 (858) 646 3100 x3516
Fax: +1 (858) 646 3171
http://ffas.ljcrf.edu/~iddo
-------------------------------------
Automated Protein Function Prediction Meeting, June 24, 2005
http://ffas.burnham.org/AFP

On Wed, 2 Mar 2005, Nur'Aini Abdul Rashid wrote:

> Hi all,
> 
> I am reading the Protein Sequence Comparison and Protein Evolution
> tutorial ISMB2000 by William R. Pearson, on Page 13 Table 3 it list
> down searchhing the database with human ATP-ase, high scoring
> sequences. I can figure out how SW was done, but I cannot understand
> how to calculate z-score and E and percentage. XCan anyone guide me of
> how to get material or examples or books or website where it show
> detail example how to get those value starting from the input value to
> output value..
> 
> Thanks a lot.. I have no statistic background and though I got some
> notes on how to calculate z-score but this is different.
> 
> Nur'Aini binti Abdul Rashid
> Pusat Pengajian Sains Komputer
> Universiti Sains Malaysia
> Pulau Pinang.