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TensorFlow2.0 of keras.metrics The methods that are not included in the built-in indicators are?

A.

Accuracy

B.

Recall

C.

Sum

D.

Mean

Among the machine learning algorithms, the following is not an integrated learning strategy?

A.

Boosting

B.

Stacking

C.

Bagging

D.

Marking

Traditional machine learning and deep learning are the core technologies of artificial intelligence. There is a slight difference in the engineering process. The following steps. What you don’t need to do in deep learning is:

A.

Model evaluation

B.

Feature engineering

C.

Data cleaning

D.

Model building

TensorFlow The data type used is?

A.

Scalar

B.

Vector

C.

Tensor

D.

Matrix

The correlation coefficient. also known as the linear correlation coefficient, is used to measure the linear relationship between two variables, which is a real number greater than zero

A.

True

B.

False

When training the network of God, we often encounter many problems. For the problem of vanishing gradient, we can choose to make. Which of the following functions to alleviate the problem?

A.

Relu function

B.

Sigmoid function

C.

tanh function

D.

Softsign function

The following about the standard RNN Model, the correct statement is?

A.

There is no one-to-one model structure

B.

Do not consider the time direction when backpropagating

C.

There is no many-to-many model structure

D.

There will be a problem of attenuation of long-term transmission and memory information

Which of the following are the characteristics of TensorFlow? (Multiple choice)

A.

Open source

B.

Convenience

C.

Mature

D.

Flexible

What is the most important difference between batch gradient descent, mini-batch gradient descent, and stochastic gradient descent?

A.

Gradient size

B.

Gradient direction

C.

Learning rate

D.

Number of samples used

What is not the optimization method in deep learning?

A.

Random gradient descent

B.

Back propagation algorithm

C.

Principal component analysis

D.

Momentum