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Artificial Intelligence (AI) Mastering Development

Why is the policy not a part of the MDP definition?

I’m reading an article on reinforcement learning, and I don’t understand why the agent’s policy $\pi$ is not part of definition of Markov Decision process(MDP): Bu, Lucian, Robert Babu, and Bart De Schutter. “A comprehensive survey of multiagent reinforcement learning.” IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews) 38.2 (2008): 156-172. […]

Categories
Artificial Intelligence (AI) Mastering Development

Why is the policy not a part of the MDP definition?

I’m reading an article on reinforcement learning, and I don’t understand why the agent’s policy $\pi$ is not part of definition of Markov Decision process(MDP): Bu, Lucian, Robert Babu, and Bart De Schutter. “A comprehensive survey of multiagent reinforcement learning.” IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews) 38.2 (2008): 156-172. […]

Categories
Artificial Intelligence (AI) Mastering Development

Policy and MDP definition

I’m reading an article on reinforcement learning, and I don’t understand why the agent’s policy $\pi$ is not part of definition of Markov Decision process(MDP): Bu, Lucian, Robert Babu, and Bart De Schutter. “A comprehensive survey of multiagent reinforcement learning.” IEEE Transactions on Systems, Man, and Cybernetics, Part C (Applications and Reviews) 38.2 (2008): 156-172. […]

Categories
Mastering Development

How to use state space model to do prediction for dataset with multiple specific columns/variables

I have a dataset as below: import pandas as pd from datetime import datetime, timedelta def date_range(start, end): r = (end+timedelta(days=1)-start).days return [start+timedelta(days=i) for i in range(r)] start = pd.to_datetime(‘2020-01-15’) end = pd.to_datetime(‘2020-02-13’) a = pd.DataFrame({‘date’: date_range(start, end), ‘group’: [0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2], ‘type’:[‘king’, ‘name’,’is’,’true’, ‘man’, ‘king’, ‘name’,’is’,’true’, ‘man’, ‘king’, ‘name’,’is’,’true’, ‘man’, ‘king’, ‘name’,’is’,’true’, ‘man’, ‘king’, ‘name’,’is’,’true’, ‘man’, […]

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CMS Magento Mastering Development

BRAND as catalog NAVIGATION AND as FILTER option. COMMENTS requested

The goal is to use the product’s brand for the Layered navigation (Categories) , AND for the filtering of the products. Yes…. Sure we know … we can BUY plenty of MARKETPLACE solutions… BUT maybe that Magento2 support this feature almost by DESIGN… easily (more or less) ? I would like to SHARE some IDEAS […]

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Mastering Development

My program keeps spamming print function Python

Man, I’m on here a lot tonight. Ok, so I just finished my assignment. My only problem at this point is when I go to test the “else”, it keeps spamming print until I stop it. Here is the full code. import re from statistics import mean def file_info(): # Open & read file grades_file […]

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Mastering Development

Add students to a table with stored procedures, and check if the parameter is false or not

I have a Student table like this CREATE TABLE Students ( studentID int, firstname varchar(100), lastname varchar(100), gender varchar(6), streetAdress varchar(100), zipcode int, city varchar(100), country varchar(100), birthdate varchar(100), studentType varchar(100), primary key (studentID) ); insert into Students values(5341,’Erik’,’Han’,’Man’,’Alléstigen 13′,1223,’District 13′,’France’,’1945-01-06′,’Program’); Now I know that you can insert it like this but how would I […]

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Development

Violation of PRIMARY KEY constraint. Cannot insert duplicate key in object – SQL Server – simple table

I’ve had a look at some of the other answers to this kind of question, but as a beginner, they didn’t quite make sense. Could someone please advise what I’d need to change in the queries below to prevent the error Violation of PRIMARY KEY constraint ‘PK__Coding_I__C2232422662DE1EF’. Cannot insert duplicate key in object ‘dbo.Coding_Interview’. The […]

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Development

Converting a nested JSON into csv with jq

I would like to convert the following JSON into a csv format using jq. I know there are tons of similar questions but I could not figure it out based on them. { “one”: { “firstName”: “John”, “lastName”: “Smith”, “gender”: “man”, “age”: 32, “address”: { “streetAddress”: “21 2nd Street”, “city”: “New York”, “state”: “NY”, “postalCode”: […]

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Development

Multi-Term Auto Completion Elasticsearch

I am using Elasticsearch 7.2.0 and i want to create search suggestion. For example i have these 3 movies titles: Avengers: Infinity War Avengers: Infinity War Part 2 Avengers: Age of Ultron When i type “avan” should return suggestion like: avangers avangers infinity avangers age When i type “avangers inf“ avangers infinity war avangers infinity […]