Week 2 practice lab: Linear regression - X not defined

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
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Hi @hahazar

Make sure that you define x in a scope that can be accessed and also check if you haven’t written X instead of x. Also, ensure that you run all the cells especially the one that defines the variable x.

You can also take a look at this post:

Hope it helps! Feel free to ask if you need further assistance.

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