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Looking for Help in Understanding How Variables Affect the Model

gumbatman
8 - Asteroid

Hi,

 

I'm new to Alteryx and data science/statistics, so please be gentle. :)

 

I am working with HR data and I have been able to use the Forest Model to produce a probability percentage if an employee will leave the company. I can see which variables are important (using the Variable Importance Plot) so I have an idea of which ones would have a stronger influence.

 

Is there a way to determine if I changed one of the variables how it would affect the probability percentage? For example, if I gave an individual a higher bonus, their chance of leaving with go down.

 

The goal is to create a dashboard (using Qlik View) for leadership that says: here are the employees that are most likely to leave the company. If you change these variables (give a higher bonus, move them closer, etc.) this will increase their chances of staying longer with the company.

 

Is this something that I can do with Alteryx? My gut feeling is that this is a big undertaking that can't be produced too easily without a much deeper understanding of statistics.

 

Thank you for the help.

5 REPLIES 5
HossC
Alteryx
Alteryx

Hi @gumbatman,

 

This is absolutely something you can do with Alteryx! In fact, there was an article that just got published on the community that discusses the tools that Alteryx provides for analyzing the partial effect that an independent variable has on a dependent variable. Here is the article: Analyzing Partial Effects in Alteryx

 

As described in the article. with the Forest model, you would need to compare the scored values of your data. However, if you are comfortable with the Boosted model (this model is also derived from Decision Trees, so it behaves in a somewhat similar manner as the Forest model), you can create a model and include Marginal Effects plots for this analysis. Or if you are comfortable with Logistic Regression, which involves manually choosing variables until you determine that the model has reliable results, you can look at the Conditional-Density Plots.

 

Let me know if you have any questions!

 

Hoss Carroll
Customer Support Engineer
Alteryx
badiualex
8 - Asteroid

Hello @HossC 

I am interested also to read the article but cannot find it. Can you please send me the link? Thank you in advance

 

Best regards

badiualex
8 - Asteroid

the link is working now. :) Thank you anyway

HossC
Alteryx
Alteryx

Hey @badiualex,

Glad you got the link to work! Let me know if you have any questions!

Hoss Carroll
Customer Support Engineer
Alteryx
TimothyL
Alteryx Alumni (Retired)

Hi @gumbatman @badiualex ,

 

Thanks for the support, we recently published a new set of model explanation macros: LIME & SHAP in this post. The goal is to assist users understanding and comparing their predictive models much faster. Give a try and see if it could help you!

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