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Why is logistic regression required? Why not linear regression?

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@Aarshay wrote:

Hi Guys,

I've been reading about logistic regression and the first obvious question is why not linear regression.

On further research, I found that one of the key reasons is that linear regression is unbounded and we need probabilities which should range between 0 and 1. But this gives rise to 2 more questions:

  1. Why not cap the values at 0 and 1
  2. Why the logistic function and nothing else.

Hoping for a great discussion ahead.

Regards,
Aarshay

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