## User: eng_samar_zayed

eng_samar_zayed •

**0**- Reputation:
**0**- Status:
- New User
- Last seen:
- 1 year, 11 months ago
- Joined:
- 2 years, 2 months ago
- Email:
- e**************@yahoo.com

Profile information, website and location are not shown for new users.

This helps us discourage the inappropriate use of our site.

#### Posts by eng_samar_zayed

<prev
• 60 results •
page 1 of 6 •
next >

0

votes

1

answer

813

views

1

answers

... Thanks for your efforts, but i am master student and i have limited time for my publication and i started with distance method for along time , but metrics of comparison was my problem now. ...

written 2.0 years ago by
eng_samar_zayed •

**0**0

votes

1

answer

813

views

1

answers

... take a look to this post please [here][1] and give me your opinion about interpret this increasing according to inter- groups and intra - groups
[1]: https://www.biostars.org/p/245224/#245291
According to your answer , decreasing SD is the better in this case ?? ...

written 2.0 years ago by
eng_samar_zayed •

**0**0

votes

1

answer

813

views

1

answers

... I am using distance based method , I passed distance matrix that used to construct phylogenetic tree to optimization algorithm , So i have a new distance matrix after specific iterations , i compare between these matrices according to standard deviation , but it increases with increasing iterations ...

written 2.0 years ago by
eng_samar_zayed •

**0**0

votes

1

answer

813

views

1

answer

... Hi,
I am using distance based method for phylogenetic tree construction , i have optimized distance matrix , and i compare distance matrices according to standard deviation , but when i increased iterations, standard deviation increases , what did it mean ?? ...

written 2.0 years ago by
eng_samar_zayed •

**0**• updated 2.0 years ago by YaGalbi •**1.4k**0

votes

0

answers

658

views

0

answers

... Please i need your help about your reply .... Can you give me more explanation or details about it ??
Deeply ... about increasing standard deviation according to phylogenetic tree (distance based method). ...

written 2.1 years ago by
eng_samar_zayed •

**0**0

votes

0

answers

658

views

0

answers

... I used it to compare between distance matrices .... but it is increase ... Are you sure increasing is better ?? or decreasing ?? ...

written 2.1 years ago by
eng_samar_zayed •

**0**0

votes

0

answers

658

views

0

answers

... In alot of papers that used distance based method to construct phylogenetic tree .. I observed they used standard deviation as a comparison metric between distance matrices .... and also the lowest standard deviation of matrix is better result ... can anyone tell me what standard deviation mean acco ...

written 2.1 years ago by
eng_samar_zayed •

**0**0

votes

0

answers

4.9k

views

0

answers

... please,if i have my distance matrix constructed from free alignment method ... Can i calculate bootstrap for specific distance matrix ?? ...

written 2.1 years ago by
eng_samar_zayed •

**0**0

votes

0

answers

1.1k

views

0

answers

Comment:
C: PHYLIP to MEGA converter

... I did this but message still found ...

written 2.1 years ago by
eng_samar_zayed •

**0**0

votes

0

answers

1.1k

views

0

answers

... I want to convert distance matrix file from PHYLIP format to MEGA 7 and i always found that message
Error: Expected number of sites , no number found.
Can anyone help me ??
Thanks ...

written 2.1 years ago by
eng_samar_zayed •

**0**#### Latest awards to eng_samar_zayed

Rising Star
2.1 years ago,
created 50 posts within first three months of joining.

Scholar
2.2 years ago,
created an answer that has been accepted.
For A: I need to understand this image

Use of this site constitutes acceptance of our User
Agreement
and Privacy
Policy.

Powered by Biostar
version 2.3.0

Traffic: 1417 users visited in the last hour