Challenge #157: An Expert Challenge

[mhgarcia]

My attempt - this one was a fun exercise

[mouna_belaid]

Please find below my solution

[FrederikE]

Spoiler

[grazitti_sapna]

That is so predictive!!

[JamesCharnley]

Spoiler

Thanks to @leozhang2work  for a predictive refresher in Alteryx earlier in the week that unlocked this challenge for me. Was trying to compare random forest models for a while until learning that Logistic was needed. Really great practise and nice to see an example predictive Q

[DawnDuong]

Thank for posting this challenge. I learn a new tool and also correct my previous wrong conceptual understanding of the various tools.

Real respect for the Predictive Master Certified folks.

[trung2403]

A very very tough one! I had to google around to find out where to get the Variable importance plot. Normally, I will use Association Analysis to select the most important variables, dont know that we can use Forest Model to select variables. Then how to compare 2 models based on the Chi-square is another challenging task. In the past, i only used Model Comparison or Lift Chart, never thought of using Nested Test. It will be a very long journey before i can take the Predictive Master Cert. Thanks for the challenge. Hope that we can have more similar challenges soon.

Spoiler

[acarter881]

Here's my solution.

Spoiler

[martinding]

Spoiler

 

[ARussell34]

Glad to know now that the Forest Model tool outputs a chart containing this information and that a Nested Test tool can compare two models.