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Questions tagged [javascript]

JavaScript is an interpreted computer programming language. Use this tag for any *on-topic* question that (a) involves JavaScript either as a critical part of the question or expected answer, & (b) is not *just* about how to use JavaScript.

0
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1answer
27 views

prerequisites to algorithms and then to python and Machine Learning

I spent the last 5 months studying full-stack web development using the MERN stack, that is (MongoDB, Express, React and NodeJs). Now that I have seen the full picture of what I would be doing ...
-1
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1answer
91 views

Personal Names matching in JavaScript [closed]

According to this paper: A Comparison of Personal Name Matching: Techniques and Practical Issues several techniques are possibile in personal names matching, that ...
1
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1answer
208 views

Time period diagram (bar chart) - what is its more precise/widely used name?

I want to make a diagram like this to display the career spans of several soccer players one below the next: I know it's basically a bar chart, but I was hoping this has a more specific name, because ...
1
vote
1answer
900 views

Eloquent Javascript - correlation and coefficient

Currently I'm reading Eloquent Javascript book and at chapter 4. This topic entitled 'The lycanthrope’s log ' is very confusing to me. How important is correlation and coefficient in real world ...
0
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2answers
2k views

Determine breakpoints in time series data where values change significantly

Given the following chart of data: which represents duration metrics gathered at absolute times, I am trying to determine when/if any of the values exhibit a jump in durations. In the example chart, ...
0
votes
1answer
159 views

How can I get output data of a trained neural network?

My neural network, which uses the back-propagation technique and the sigmoid activation function, should 'learn' the sine function. This is the networks structure: The following code should train ...
1
vote
1answer
871 views

How to verify implementation of SVD in Javascript

I have implemented the SVD algortihm for my Node.js project for collaborative filtering of a sparse dataset based on this paper by GroupLens. For calculating the SVD, I am using the package node-svd ...
0
votes
1answer
122 views

Turning categorized output into continuous

I'm using a NaiveBayes algorithm that generates categorized probabilities as output instead of continuous values, which is what I need for this webapp I'm working on. Unfortunately I can't switch ...
0
votes
1answer
178 views

JavaScript/PHP libraries for calculating common

I am looking for a JavaScript or a PHP library to calculate common business/statistical metrics (e.g. ...
1
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1answer
4k views

How do you calculate the Ordinary Least Squares estimated coefficients in a Multiple Regression Model? [duplicate]

I recently began learning about OLS estimation of multiple regression models and came across the following formulas explaining the calculations: What would the formulas be for an OLS regression model ...
1
vote
1answer
403 views

Working through Lenth's maximum likelihood estimation in JS [closed]

I am attempting to write a program in Javascript to estimate where a radio-tracked animal is. Basically, it should take 3+ bearings as inputs, along with the locations they were taken, and output a ...
1
vote
0answers
291 views

Calculate gaussian function [closed]

I need to forecast a large set of values given a bell curve where a small set of given points define the contraints of the curve between -1 & 0. HELP! Eventually i will be coding this in ...
7
votes
4answers
3k views

Interpreting two-sided, two-sample, Welch T-Test

I’m writing some code (JavaScript) to compare benchmark results. I’m using the Welch T-test because the variance and/or sample size between benchmarks is most likely different. The critical value is ...