Online Course Support | Practical Reinforcement Learning

How can we speed up the DQN training process?

ByAdmin October 9, 2021October 9, 2021

Use a smaller model.

Do not use pooling.

Stack more layers.

Use stacked state and action as input.

Use smaller input.

Use upsampling.

Use strides.

Parallelize learning.

Stack 4 last states together.

Question 6

What are the possible ways to improve experience replay (buffer)?

1 point

Use smaller buffer (up to 1 thousand).

Sample whole sessions from an experience replay instead of single experience (S,A,R,S’) tuples.

Use larger buffer (up to 1 million).

Use samples more wisely – taking into account their contribution to the training process.

Add more statistics to it, such as gamma, current learning rate, current step/epoch.

Advanced Trading Algorithms | Online Course Support

In the betting against beta strategy, you long …
ByAdmin September 6, 2021September 6, 2021

5. Question 5 In the betting against beta strategy, you long … 1 point high beta stocks low beta stocks

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Managing Data Analysis | Online Course Support

Which of the following is an element of the data analysis iteration?
ByAdmin September 11, 2021September 11, 2021

1. Question 1 Which of the following is an element of the data analysis iteration? 1 point Incorporating measures of uncertainty Fitting a linear regression …

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Online Course Support

What must you remember to do so your WebView can display a page hosted on the Internet?
ByAdmin July 12, 2021

Question 4What must you remember to do so your WebView can display a page hosted on the Internet? 1 point Declare that the application needs the permission to access the…

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Firm Level Economics: Consumer and Producer Behavior | Online Course Support

A consumer buys either burgers or hot dogs and does not prefer one over the other. Given a market for burgers, an increase in the price of hot dogs will cause the demand curve for burgers shifts to the left.
ByAdmin August 30, 2021August 30, 2021

1. Question 1 A consumer buys either burgers or hot dogs and does not prefer one over the other. Given a market for burgers, an increase in the price of…

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Data Warehouse Concepts, Design, and Data Integration | Online Course Support

An incomplete dimension-fact relationship can be resolved by.
ByAdmin August 10, 2021August 10, 2021

9. Question 9 An incomplete dimension-fact relationship can be resolved by. 1 point Adjusting fact or dimension tables for a fixed number of exceptions Using M-N relationships to…

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Online Course Support | Understanding Einstein: The Special Theory of Relativity

Consider Bob on Earth. At time t = 0, Alice flies by in her spaceship at constant velocity, heading to the right. Which diagram represents Bob’s world line in Alice’s frame of reference?
ByAdmin July 28, 2021July 29, 2021

2. Question 2 Consider Bob on Earth. At time t = 0, Alice flies by in her spaceship at constant velocity, heading to the right. Which diagram represents Bob’s world…

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