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Normal Distribution

ultimatedream
Level I

Hello!

I want to analysis the normal distribution using JMP, so I need the add-in. I am using the latest version of JMP. 

5 REPLIES 5
txnelson
Super User


Re: Normal Distribution

Welcome to the JMP Community.

Analysis of a Normal Distribution is available in base JMP using the Distribution Platform

     Analyze=>Distribution

txnelson_0-1718305519033.png

 

Jim
jthi
Super User


Re: Normal Distribution

If you need to find a feature of JMP, you can also use Search JMP (JMP17 ->). Open your table, go to Help/Search JMP

jthi_0-1718305642524.png

Try to guess a search term (Normal is good starting point), pick something which could fit (Fit Normal)

jthi_1-1718305669116.png

and press Go.

It will open the correct platform for you to input in columns (and on the top guide where you can do the analysis)

jthi_2-1718305708101.png

By pressing OK you launch the analysis and the path is pre-configured for you, so in this case you will get normal distribution fitted to your data

jthi_3-1718305738258.png

 

-Jarmo


Re: Normal Distribution

H i@ultimatedream

You do not need an add-in.  Just use the menu Analyze>Distribution.

hogi
Level XII


Re: Normal Distribution

Further details on assessing Normality via Shapiro-Wilk W test can be found in this introductory video by @julian :
https://www.jmp.com/en_us/learning-library/topics/probabilities-and-distributions/assessing-normalit... 

 

with a current version of Jmp, Anderson Darling A² can be calculated as well via the Distribution Platform:

hogi_0-1718395718774.png

 

 

Open( "$SAMPLE_DATA/Car Physical Data.jmp" );
Distribution(
	Continuous Distribution(
		Column( :Weight ),
		Horizontal Layout( 1 ),
		Vertical( 0 ),
		Process Capability( 0 ),
		Normal Quantile Plot( 1 ),
		Fit Normal( Goodness of Fit( 1 ) )
	),
	Continuous Distribution(
		Column( :Displacement ),
		Horizontal Layout( 1 ),
		Vertical( 0 ),
		Process Capability( 0 ),
		Normal Quantile Plot( 1 ),
		Fit Normal( Goodness of Fit( 1 ) )
	)
);


unfortunately:

hogi_2-1718395089922.png

so let's go to Wikipedia:
https://en.wikipedia.org/wiki/Anderson%E2%80%93Darling_test 

hogi
Level XII


Re: Normal Distribution

it this "the addin" you were referring to?
Anderson-Darling Normality Test