Linear Regression of Italian bookshops sellout data

Created: 2010-05-28 16:31:01

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Someone could help me? Why the correlation between the actual value and the predictive value of the attribute "Quantita" is so low?

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Andrea coletta

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Linear Regression of Italian bookshops sellout data

Created by Andrea coletta on Friday 28 May 2010 16:31:01 (UTC)

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Simon Fischer	Wednesday 02 June 2010 09:19:15 (UTC)
	Hard to tell without the data. Anyway, I don't really understand the process. Why do you compute the correlation even before you compute the prediction?

Andrea coletta	Friday 04 June 2010 20:37:42 (UTC)
	Because I would know if there is multicollinearity between the variables in the dataset

Andrea coletta	Friday 04 June 2010 20:58:23 (UTC)
	I have uploaded datasource file of Italian bookshops sellout used in the process.

Sebastian land	Thursday 10 June 2010 13:20:46 (UTC)
	Where have you uploaded it? Is it available for public?

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