Main.Assignment1 History

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January 26, 2012, at 07:58 AM by 24.126.190.229 -
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January 26, 2012, at 07:58 AM by 24.126.190.229 -
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Related tutorial videos:
http://www.youtube.com/watch?v=9kImnwZHQyc
http://www.youtube.com/watch?v=8vBtsAgj2eA&feature=related
to:
Related tutorial videos: \\
http://www.youtube.com/watch?v=9kImnwZHQyc\\
http://www.youtube.com/watch?v=8vBtsAgj2eA&feature=related\\
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January 26, 2012, at 07:58 AM by 24.126.190.229 -
Changed lines 19-21 from:
Email your codes and running outputs to the instructor.

to:

Related tutorial videos:
http://www.youtube.com/watch?v=9kImnwZHQyc
http://www.youtube.com/watch?v=8vBtsAgj2eA&feature=related

Suggested functions are:
summary()
lm()
hist()
mean()
sd()

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February 01, 2010, at 11:24 AM by 12.13.176.132 -
Added lines 19-21:
Email your codes and running outputs to the instructor.

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February 01, 2010, at 11:23 AM by 12.13.176.132 -
Changed lines 8-16 from:
-> 'n': the number of cells assayed for each strain \\
-> 'rls': Replicative Life Span \\
-> 'rls.sd': standard deviation of RLS\\
-> 'a': The initial mortality rates\\
-> 'a.sd': standard deviation of 'a'\\
-> 'b': The Gompertz coefficient of survival curves\\
-> 'b.sd': standard deviation of b.\\

to:
'n': the number of cells assayed for each strain \\
'rls': Replicative Life Span \\
'rls.sd': standard deviation of RLS\\
'a': The initial mortality rates\\
'a.sd': standard deviation of 'a'\\
'b': The Gompertz coefficient of survival curves\\
'b.sd': standard deviation of b.\\

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February 01, 2010, at 11:23 AM by 12.13.176.132 -
Changed lines 6-15 from:
->'strain': names of yeast strains \\
->'n': the number of cells assayed for each strain \\
->'rls': Replicative Life Span \\
->'rls.sd': standard deviation of RLS\\
->'a': The initial mortality rates\\
->'a.sd': standard deviation of 'a'\\
->'b': The Gompertz coefficient of survival curves\\
->'b.sd': standard deviation of b.\\

to:

-> 'strain': names of yeast strains \\
-> 'n': the number of cells assayed for each strain \\
-> 'rls': Replicative Life Span \\
-> 'rls.sd': standard deviation of RLS\\
-> 'a': The initial mortality rates\\
-> 'a.sd': standard deviation of 'a'\\
-> 'b': The Gompertz coefficient of survival curves\\
-> 'b.sd': standard deviation of b.\\

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February 01, 2010, at 11:22 AM by 12.13.176.132 -
Changed lines 6-14 from:
'strain': names of yeast strains \\
'n': the number of cells assayed for each strain \\
'rls': Replicative Life Span \\
'rls.sd': standard deviation of RLS\\
'a': The initial mortality rates\\
'a.sd': standard deviation of 'a'\\
'b': The Gompertz coefficient of survival curves\\
'b.sd': standard deviation of b.\\
to:
->'strain': names of yeast strains \\
->'n': the number of cells assayed for each strain \\
->'rls': Replicative Life Span \\
->'rls.sd': standard deviation of RLS\\
->'a': The initial mortality rates\\
->'a.sd': standard deviation of 'a'\\
->'b': The Gompertz coefficient of survival curves\\
->'b.sd': standard deviation of b.\\

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February 01, 2010, at 11:22 AM by 12.13.176.132 -
Changed lines 5-14 from:
This file contains the following columns:
'strain': names of yeast strains
'n': the number of cells assayed for each strain
'rls': Replicative Life Span
'rls.sd': standard deviation of RLS
'a': The initial mortality rates
'a.sd': standard deviation of 'a'
'b': The Gompertz coefficient of survival curves
'b.sd': standard deviation of b.
to:
This file contains the following columns: \\
'strain': names of yeast strains \\
'n': the number of cells assayed for each strain \\
'rls': Replicative Life Span \\
'rls.sd': standard deviation of RLS\\
'a': The initial mortality rates\\
'a.sd': standard deviation of 'a'\\
'b': The Gompertz coefficient of survival curves\\
'b.sd': standard deviation of b.\\
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February 01, 2010, at 11:21 AM by 12.13.176.132 -
Changed line 3 from:
You are given part of data from Qin & Lu, 2006, Experimental Genrotology:
to:
You are given part of the data from Qin & Lu, 2006, Experimental Genrotology:
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February 01, 2010, at 11:20 AM by 12.13.176.132 -
Added lines 1-16:
Assignment

You are given part of data from Qin & Lu, 2006, Experimental Genrotology:
* Yeast replicative life span table [[ http://bioinformatics.org/ctls/download/data/nat-rls.csv| CSV format ]]
This file contains the following columns:
'strain': names of yeast strains
'n': the number of cells assayed for each strain
'rls': Replicative Life Span
'rls.sd': standard deviation of RLS
'a': The initial mortality rates
'a.sd': standard deviation of 'a'
'b': The Gompertz coefficient of survival curves
'b.sd': standard deviation of b.

You are asked to (1) find out the distribution of 'rls', 'a', and 'b', (2) find out the associations among 'rls', 'a', and 'b'.
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