Can someone explain intuitively what ravel_multi_index( ... ) numpy function does?

I am trying to understand a python code but got stuck trying to understand what numpy.ravel_multi_index does.The documentation and the examples therein are confusing. Can someone help to explain...

03 April 2018 6,654 1 View

Can someone help me look at my Q-learning implementation in Python ?

I am trying to understand Q-learning; so I had to try my hand on a 3 by 3 grid world in python. The program runs but Q-learning is not converging after several epsiodes. Please, I would need...

02 March 2018 6,960 2 View

How best to implement Q-learning?

I am running an experiment in a 7 X 7 grid world. I have an agent that can perform 5 possible actions in the grid world. The agent can move up, right, left, down and wait. The agent does the...

02 March 2018 7,052 3 View

What are the challenges & possible techniques for developing Autonomous Learning Robots in a dynamic, stochastic & partially observable environment?

I am working on Autonomous Learning Techniques for robots. Assuming a robot is deployed in an unknown environment, what techniques could help the robot explore this environment and build its own...

10 November 2017 3,027 3 View

How can I plot my own U-Matrix in MATLAB without using SOMtoolbox?

I am trying to code SOM by myself. Visualising the weight matrix for 2-dimension input vectors is quite intuitive with ordinary plot function in MATLAB but it is hard to conceptualise how to do...

10 November 2017 5,918 0 View

Can someone help me with an easy-to-use Robot Simulator?

I wish to simulate a robot behaviour in an unknown environment. Can someone help me with a user-friendly simulator?

10 November 2017 7,119 9 View

Difficulty in coding convolutional neural networks ?

I find it difficult in understanding the concept of convolutional neural networks enough so that I can code it in MATLAB. Can someone help me present the idea algorithmically?

03 April 2016 938 6 View

Kernel regression for multivariate input matrix?

Can I use kernel regression on a multivariate input matrix? I would be happy if I am guided.

03 April 2016 8,464 0 View

I would need a comprehensive guide for installing TensorFlow on Windows?

01 February 2016 9,896 2 View

Apart from MATLAB neural network toolbox, What are other easy to use but free neural network tools?

31 December 2015 6,130 14 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Ideas for Phd's Thesis on pricing (Marketing)?

Hi everyone, I'm studying Marketing and I would like to write my PhD thesis on the topic of pricing. Any specific ideas?

02 March 2021 9,706 5 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View