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Comparing 2 or more sets of data!

By Goran | Mar 17, 2016 10:12PM CET

Hello!
Downloaded Your excellent XLSTAT product (as a trial) because I am sure it can resolve my problem, but I am not good enough to do myself. Need Your help.
I want to compare 2 (and more) sets of data but don't know which analysis in XLSTAT will do the job.
For example, I want to compare the speed of 2 (or more) cars from previous races (under same conditions) and to predict the probability for each car to win the the future race. If car A took part in 5 races earlier and the speed in those races was (15; 15.4; 16; 14.8 and 15.7) and car B took part in 6 races earlier (under the same conditions) and the corresponding speeds were (16; 15.7; 16.3; 15.5; 15.3 and 16.3) what is probability for each car to win the next race under same conditions (same distance, same going ...)? Regards,
Goran

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By Efthalia | Mar 18, 2016 12:04PM CET | XLSTAT Agent

Dear Goran,

Thank you for contacting us.

You can try a logistic regression where your explanatory variables are the car type and the speed whiile your dependent variable is the fact of whether that car won or not in that race (binary variable 0/1).

A tutorial is available at
https://help.xlstat.com/customer/en/portal/articles/2062235-running-a-logistic-regression-with-xlstat?b_id=9283

You can find more information on logistic regression in the XLSTAT manual:
https://help.xlstat.com/customer/en/portal/articles/2178395-download-the-xlstat-help-documentation?b_id=9202

Regards,
Thalia

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