Significant factor

[sarabje...@yahoo.com]

Sir,

I did my experimentation on machining of Alloy but during ANOVA analysis non factor is traced as significant. Can i go for interaction study to check significant factor.

Thanks

regards

Sarabjeet Singh Sidhu

[Bhanudas Bachchhav]

Dear Sir, Nice to see your mail.

First you clarify 

1. How many parameters & their levels you considered? Because selection of OA depends on that to get an effect of  all interactions.Otherwisw you have to go for very limited selected interactions.

2. How do you assigned factors and to which columns? That is important.

3. You may pooled least significant factor, i.e. called pooled ANOVA and find out an effect of other remaining parameters.

 Anyway if you have any idea about Dr. Lathkar Madam's plan to go to abroad please let me know.

Regards

Prof. B. D. Bachchhav.

09850172628

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[sarabje...@yahoo.com]

Sir, T

he design and results are as follows

FACTORS	LEVELS
A	6	12	18
B	20	60	200
C	45	90	200

Experimental run	A	D	C
1	6	20	45
2	6	60	90
3	6	200	200
4	12	20	90
5	12	60	200
6	12	200	45
7	18	20	200
8	18	60	45
9	18	200	90

The results obtained

Source          DF  Seq SS  Adj SS  Adj MS     F      P

A1               2  1937.9  1937.9   969.0  0.83  0.547

B2               2   892.2   892.2   446.1  0.38  0.724

C3               2   286.5   286.5   143.2  0.12  0.891

Residual Error   2  2340.4  2340.4  1170.2

Total            8  5457.0

  Thanks

[Bhanudas Bachchhav]

What is the response and How many replications you have taken? Whether the analysis is with mean or S/N ratios.In Taguchi analysis with S/N ratios are preferable when replicates are taken. Please try this.

Also with 3 levels and 3 parameters L9 gives only 1 resolution. 

Regards

Bachchhav.

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[MOHAMMADREZA NABATCHIAN]

Hi dear engineer after you see that all of the factors is insignificant,you should redesign your model and help from any transformation to reach the appropriate model nabat --- On Thu, 3/21/13, sarabje...@yahoo.com <sarabje...@yahoo.com> wrote:

[Thirumavalavan Rajagopalan]

you do brain storming session with friends ,identify the  factor and re-do ANOVA.

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[Mr. Mahdyarfar, Mohammad]

Dear Sir,

The residual error in your ANOVA is not essentially "pure error". If you need to perform a good ANOVA analysis, you should repeat your experimental treatments. This strategy can help you to estimate the SS of error (and variances of error) accurately and then your analysis about the significance of factors will become accurate.

Yours
Mohammad Mahdyarfar
________________________________
From: TDA...@googlegroups.com [TDA...@googlegroups.com] On Behalf Of sarabje...@yahoo.com [sarabje...@yahoo.com]
Sent: Thursday, March 21, 2013 11:06 AM
To: TDA...@googlegroups.com
Subject: Re: Significant factor

[Alois Fabiani-Bello]

Please read more about this method. Infortunally (afortunally for the engineers) the Taguchi Method define the mandatory rule that the experimenter have excellents skills to understand the transformation of energy in the problem...

Regards

2013/3/20 sarabje...@yahoo.com <sarabje...@yahoo.com>

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_______________________________
Prof. Alois C. Fabiani-Bello
Departamento de Ingeniería Industrial
Instituto Tecnológico de Ciudad Juárez