What is the relationship between the sigmoid function and the logistic function? They are the same thing, None of the others | The Logistic function is an approximation of the Sigmoid function | The Sigmoid function is an approximation of the Logistic function One scales the other ranging from -1 to +1 versus 0 to 1 One is a reflection of the other One is a 90 degree rotation of the other

What is the relationship between the sigmoid function and the logistic function? They are the same thing, None of the others | The Logistic function is an approximation of the Sigmoid function | The Sigmoid function is an approximation of the Logistic function One scales the other ranging from -1 to +1 versus 0 to 1 One is a reflection of the other One is a 90 degree rotation of the other

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

What is the relationship between the sigmoid function and the
logistic function?
They are the same thing,
None of the others
The Logistic function is an approximation of the Sigmoid function
The Sigmoid function is an approximation of the Logistic function
One scales the other ranging from -1 to +1 versus 0 to 1
One is a reflection of the other
One is a 90 degree rotation of the other

For logistic regression, which loss functions are the most appropriate?
Accuracy
Mean squared error
None of the others
F1-score
Residual sum of the squares

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