2 votes
Accepted

Combine multiple duplicate categorical variables into a single one for multiple linear regression

The issue is just that you consider the list of actors as ordered, but if they are considered as an (unordered) set it works perfectly. The regular "bag of words" representation used in text ...
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  • 21.8k
1 vote

Predict data using Pre-Trained Classification Model

Yes. Whatever steps/processing you have done to the data before feeding it to the model, all of steps needs to be done again in the raw data. Ideally you should create a function which takes the data/...
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1 vote
Accepted

How to convert a string to callable

You can simply change the values stored in the strarray variable to simply store either the model name or the initialized model: ...
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  • 5,844
1 vote

Gradient descent implementation of logistic regression

I think your implementation is correct and the answer provided is just wrong. Just for reference, the below figure represents the theory / math we are using here to implement Logistic Regression with ...
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