Questions tagged [learning-algorithms]

For questions about different learning algorithms used by a Machine Learning program to achieve its end goal.

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28 views

Transform text based on examples

I have some texts that differ from one to another, with minor changes on them. So, for example I have a text in the form: w0 w1 w2 **w3** w4 w5 w6 w7 w8 and it ...
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15 views

Alternatives to Hierarchical RL for centralized control tasks?

Consider a problem where the agent must learn to control a hierarchy of agents acting against another such agent in a competitive environment. The agents on each team need to learn cooperate in order ...
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31 views

Can Reinforcement Learning be used for UAV waypoint control?

I want to make a drone which can follow static and dynamic waypoints. I am a total beginner in the drone field so I can't figure out that should I use Reinforcement Learning or any other learning ...
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1answer
57 views

How do you know if an agent has learnt its environment in reinforcement learning?

I'm new to reinforcement learning and trying to understand it. If you train an agent using a reinforcement learning algorithm (discrete or continuous) on an environment (real or simulated), then how ...
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33 views

Is there a theory that captures the following ideas?

A big class of problems that are relevant in today's society are full of uncertainty and are also sometimes computationally intractable. Along our lives we come to realize that we are solving the same ...
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1answer
51 views

Why does the machine learning algorithm need to learn a set of functions in the case of missing data?

I am currently studying the textbook Deep Learning by Goodfellow, Bengio, and Courville. Chapter 5.1 Learning Algorithms says the following: Classification with missing inputs: Classification ...
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1answer
72 views

Which ANN can solve for y = x * x + b?

I am new to ANN. I am trying out several 'simple' algorithms to see what ANN can (or cannot) be used for and how. I played around with Conv2d once and had it recognize images succesfully. Now I am ...
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33 views

Intellectual property in the age of Industry 4.0

I am looking for specific references describing guidance principles around the interplay between IP (intellectual property) and Artificial Intelligence algorithms. For example, Company A has a large ...
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28 views

Backpropagation and PID

In backpropagation, the update rule for the weights is based on the derivative of some loss function. This is similar to the "proportional" aspect of a PID loop controller, where some control variable ...
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36 views

How can I write out the Real-TIme Recurrent Learning Gradient equations for a network?

This question is about Real-Time Recurrent Learning Gradient on a Recurrent neural network . How can I write out the RTRL equations for a network ? Before present an example give let's introduce ...
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34 views

How would an AI learn the concept of the words “repeat twice”?

In a hypothetical conversation: Person A - "Repeat the word 'cat' twice". Person B - "cat cat". I'm thinking about how a human or AI can learn the concept of "...
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1answer
109 views

How can we prove that an autoassociator network will continue to perform if we zero the diagonal elements of a weight matrix?

How can we prove that an auto-associator network will continue to perform if we zero the diagonal elements of a weight matrix that has been determined by the Hebb rule? In other words, suppose that ...
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3answers
127 views

How do you interpret this learning curve?

Loss is MSE; orange is validation loss, blue training loss. The task is NN regression (18 inputs, 2 outputs), one layer 300 hidden units. Tuning the lr, mom, l2 regularization parameters this is the ...
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60 views

Unable to train Coach for Banana-v0 Gym environment

I have just started playing with Reinforcement learning and starting from the basics I'm trying to figure out how to solve Banana Gym with coach. Essentially ...
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1answer
59 views

Is it possible to do K-nearest-neighbours before training DNN

The following X-shape alternated pattern can be separated quite well and super fast by K-nearest Neighbour algorithm (go to http://ml-playground.com to test it): However, DNN seems to face great ...
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1answer
104 views

How does Atlas from Boston Dynamics have human-like movement?

Discussing the video More Parkour Atlas a friend asked how the robot's movement where so similar to the one from a real human and wondering how this is achieve? To my knowledge this is not something ...
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32 views

Algorithm to solve a fault independent of its type

I am looking to plan a solution for a workspace fault and not hardware faults. Consider a task where a robot has to move balls from one place to another. In case it faces any condition which is ...
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1answer
91 views

Using ML to analyze Facebook posts

First of all, I should mention that I have a very basic knowledge of ML so I apologize if this question seems trivial or stupid. I am working on a small personal project, basically an app that ...
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1answer
23 views

Use AI to auto-correlate the words of human-translated texts?

There are many, many literary works in the public domain, along with human translations, many of which have entered the public domain as well. (Public domain = easily available) In order for me to ...
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4answers
333 views

Can we define the AI singularity mathematically?

The "AI Singularity" or "Technological Singularity" is a vague term that roughly seems to refer to the idea of: Humans can design algorithms Humans can improve algorithms Eventually algorithms we ...
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1answer
216 views

AI learning by demonstration for web navigation

I don't know what to search for, so I'll try to describe what I'm trying to do : I want an AI that learns by showing it how to navigate on the Internet. Let's say I want to save 50 images from a ...
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1answer
607 views

Does a solution for Wumpus World with neural networks exist?

The Wumpus World proposed in book of Stuart Russel and Peter Norvig, is a game which happens on a 4x4 board and the objective is to grab the gold and avoiding the threats that can kill you. The rules ...
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1answer
40 views

What is the approach to deduce formal rules based on data?

We have data in text format as sentences. The goal is to detect rules which exist in this set of sentences. I have a limited set of contextless sentences that fit a pattern and want to find the ...
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1answer
167 views

How do I train a bot to solve Katona style problems?

Cognitive psychology is researched since the 1940s. The idea was to understand human problem solving and the importants of heuristics in it. George Katona (an early psychologist) published in the ...
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1answer
157 views

What's an appropriate algorithm for classification with categorical features?

My input data consists of a series of 8 integers. Each integer is a discrete token, rather than a relative numeric value (i.e. '1' and '2' are as distinct as are '1' and '100'). The output is a ...
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1answer
369 views

Why not teach to a NN not only what is true, but also what is not true?

I'm not a person who studies neural networks, or does anything that is related with that area, but I have seen a couple of seminars, videos (such as 3Blue1Brown's Series), and what I am always told is ...
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61 views

How basically AI synthesize thinking?

In the instance like AlphaGo Zero. How N' why AlphaGo Zero's training is so stable? Compared with traditional game theory applied in Deep RN technique!? How "AlphaGo Zero" differs from "...
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1answer
63 views

Teaching a NN to manipulate pseudoRNG over a long time scale?

For speedrunning purposes, I am trying to train a neural network to identify human-executable ways to manipulate pseudo-RNG (in Pokemon Red, for the interested). The game runs at sixty frames per ...
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1answer
92 views

Which machine learning algorithm is suitable for detecting text w.r.t set of words

Considering the scenario where supervised training data-set in the form of sentence will be given to train the machine The Bomb which had been planted by Terrorist on this morning was defused by ...
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1answer
3k views

Where do 'random seeds' get used in deep neural networks?

I know that when creating neural networks it's standard practice to create a 'random seed' so that you can get producible results in your models. I have a couple of questions regarding this: Is the ...
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1answer
1k views

Value iteration algorithm from pseudo-code to C++

I am having a difficult time translating this pseudocode into functional C++ code. At line 10: The value function is represented as V[s], which has a bracket notation like arrays. Is this a separate ...
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1answer
59 views

Which is best: evaluation of states or probability of moves?

If you have a game and you are training an AI there seems to be two ways to do it. First you take the game-state and a possible move and evaluate whether this move would be good or bad: (1) ...
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341 views

Can we use the recursive least squares as a learning algorithm to an ADALINE?

I'm new to neural network, I study electrical engineering, and I just started working with ADALINEs. I use Matlab, and in their Documentation they cite : However, here the LMS (least mean squares) ...
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2answers
63 views

In the multi-linear regression, how is the value of weight $b_2$ calculated?

In multivariate linear regression (linear regression with more than one variable) the model is $yi = b_0 + b_1x_{1i} + b_2x_{2i} + ...$ , and so on. But how is the $b_n$ value calculated iteratively? ...
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2answers
143 views

Predict frequently purchased items under certain conditions with customer purchasing history data

I have purchasing history data for grocery shopping. I am trying to get abnormally frequently purchased items under certain conditions. For instance, I am trying to find frequently purchased items, ...
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2answers
38 views

Recommend item from set based on features

Forgive what might be a basic question. I'm just experimenting with ML / AL and I have a small problem set and I'd like to see if it can be solved with ML / AI. Basically, given a set of objects ...
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2answers
272 views

What is the proof behind the gradient of a curve being proportional to the distance between the two co-ordinates in the x-axis?

In the [delta rule][1] the equation to adjust the weight with respect to error is $$w_{(n+1)}=w_{(n)}-\alpha \times \frac{\partial E}{\partial w}$$ *where $\alpha$ is the learning rate and $E$ is the ...
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1answer
88 views

Artificial Intelligence and Automatic Scheduling

I do not have background in Artificial Intelligence related algorithms etc. But I have a scheduling problem that needs to be resolved. For example, employees need to be scheduled for on call. They ...
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0answers
58 views

How do stacked denoising autoencoders work

I've been studying a recommender system which uses a collaborative deep learning approach and Bayesian learning. It has the following NN representation : I need to know the working of stacked ...
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0answers
187 views

Natural language processing with a continuous dependent variable

I have a large number of observations. Each observation contains: dependent variable: a scores ranging from 0 - 100 independent variable: a large article I want to know which words or phrases ...
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2answers
109 views

Trading off “Memory” vs “Optimization”

I've been researching the following topic. Or rather, I would like to but I can't find anything because I'm not sure what to look for. I am interested weather there are some concepts or models that ...
3
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1answer
457 views

Machine learning algorithm for xml manipulation

Given a virtual game map (picture) and a racing car at the map's starting point, I'm trying to build an algorithm that would help me generate a route that would get the car from the beginning to the ...
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2answers
864 views

Approaches to an algorithm for crossing a road

I want to write an algorithm which indicates to a robot the first point in time when it is reasonably safe to cross a road. Assume that the robot's goal is to travel to a location that requires a ...
4
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1answer
802 views

Is a decision tree less suitable for incremental learning than e.g. a neural net?

I can recall that a professor once said that decision trees are not good for incremental learning, as they have to be rebuilt from the ground up if new training examples arrive. Is this basically ...
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3answers
286 views

Why do Decision Tree Learning Algorithm preferably outputs the smallest Decision Tree?

I have been following the ML course by Tom Mitchel. The inherent assumption while using Decision Tree Learning Algo is: The algo. preferably chooses a Decision Tree which is the smallest. Why is ...
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1answer
113 views

Recognition of abbreviated text

I want to write a program that looks at abbreviated words, then figures out what the words are. For example, the abbreviation is "blk comp", and the translation is "black computer". In order to give ...
3
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1answer
344 views

Perceptron learning

There is an example related to perceptron learning, but I couldn't get it, I don't exactly know how to solve it. There is a snippet from lecture notes. What is the transformation between epochs?
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1answer
90 views

How can artificial intelligence (including deep learning algorithms) find suspicious patterns in the body’s biochemistry?

It has been suggested that machine learning algorithms (also Watson) can help with finding disease in patient images and optimize scans. Also that deep learning algorithms show promise for every type ...
3
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1answer
119 views

Which learning algorithms are suitable for data leakage detection and prevention?

I'm investigating applications of AI algorithms which can be used for data leakage detection and prevention within an intranet network (like Forcepoint). More specifically detecting traffic patterns. ...