Questions tagged [javascript]

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139 views

Backpropagation in a convolutional neural network with stride and padding

So i am trying to learn backpropagation of convolutional neural networks. A lot of articles only cover convolutions without a stride and a padding variable, so i decided to try it on my own. For ...
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1answer
43 views

Representation options of strings (keywords/topics) in models

What are all the possible ways to represent keywords in a machine learning model? The two I am aware of are: one hot encoding, using a static index. vector representation, using an embedding layer. ...
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2answers
103 views

How to determine if a string is 'food' or 'drink'?

My data exists of several restaurant menus (in text form). I would like to detect the category of an item on the menu which can be 'food' or 'drink'. How do I call this kind of machine learning? ...
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0answers
117 views

Algorithm or JS graph drawing library that can generate a graph of 100,000+ nodes and edges while minimizing edge crossings

I'm trying to plot a directed graph of $2^{16}$ nodes and $2^{16}$ edges (but not simply a cycle). Ultimately, I need to be able to share an interactive graph (zooming, panning, labels). Mathematica ...
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1answer
56 views

Text Generation

I want to generate „human like“ text/posts based on a dataset of posts from a forum. The dataset contains roughly 25k words. I currently have the Markoc chain implemented, but i want to improve the ...
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1answer
70 views

Backpropagation for noobs

I am trying to understand neural networks and how they work, by programming my own one from scratch in nodejs. Currently, i managed to build a network, that has weights, layers and neurons. I also ...
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1answer
35 views

Neural Network is not getting better

So i started building my own neural network framework in node.js, just to understand the concept of neural networks better. Currently i implemented Neurons, Connections between these Neurons and ...
4
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1answer
580 views

Visualizing many one-to-many relationships

I am trying to visualize the language tags on github repository data. I have names of 16k github repositories, and all the languages associated with each one of them. Below is a chord diagram I came ...
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2answers
118 views

Visualizing a large graph (10'000 nodes)

I am currently trying to find a way to visualize a graph which has 10'000 nodes, and about 20'000 edges. I was trying this javascript library, but quickly realised that this is too computationally ...
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3answers
448 views

What are the benefits of having ML in js? [closed]

What are the benefits of having ML in JavaScript I.e. the deeplearn.js (now tensorflow) stuff, as opposed to implementing the ML steps in a python backend?
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1answer
28 views

Convert graph database relationships into node properties [closed]

I have a neo4j database that stores forum posts. Replies to specific posts are encoded using a replyto relationship. I am trying to retrieve all the information ...
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2answers
1k views

Fast, efficient way to zoom/pan scatterplot with mouseover data [closed]

Given a csv of the form: x, y, annotation How can we efficiently (least code) generate an interactive (zoom/pan) scatterplot where the annotation appears when ...
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2answers
1k views

Computer vision: Identifying different items in screenshot

Lets say I have a screenshot like this: I want to be able to detect/localize each item on the floor, however, there 1) can be any number of items in the image and 2) each item is different I have a ...
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1answer
245 views

Limits of Javascript on the implementation of AI algorithms

I have a basic understanding of javascript, and know hardly any other programming language. Am I bound to face some issues in the field of neural networks and machine learning because of this? Should ...
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1answer
536 views

How to create visualisation on medical data?

I want to create a data visualization on medical data i.e. patient's medical history, allergies one is having, any chronic patient's name must be highlighted, etc. And, there can be a separate ...
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1answer
3k views

heatmap color and d3.js

This follows a recent post where I got my answer concerning possible web-based techno for plotting big heatmaps ($600 \times 600$ dissimilarity matrix). Now, that I have achieved that, I'm struggling ...
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2answers
2k views

How to plot large web-based heatmaps?

I want to plot large heatmaps (say a matrix $500 \times 500$). I can do it in Python/matplotlib.pyplot with pcolor, but it is not interactive (and I need an interactive heatmap). I have tried with D3....
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4answers
30k views

How to scale an array of signed integers to range from 0 to 1?

I'm using Brain to train a neural network on a feature set that includes both positive and negative values. But Brain requires input values between 0 and 1. What's the best way to normalize my data?
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1answer
1k views

Implementation of Association Rules in Javascript

I have implemented an interactive visualization with d3.js, javascript to explore the frequency and various combinations of co-occurring item sets. I want to complement the interactive exploration ...
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0answers
235 views

3D map using leaflet

I'm trying to create 3D bars on this map. Can anyone please advise if this is possible, and how? http://leafletjs.com/examples/choropleth.html My data: UFO sightings in the USA (location wise). ...
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2answers
259 views

Visualization using D3

I am new to D3 programming (any programming, for that matter). I have protein-protein interaction data in JSON format and csv format. I would like to use that data for network visualization. Data ...
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2answers
304 views

What visualization technique to best describe a recommendation dataset?

I've written a simple recommender which generates recommendations for users based on what they have clicked. The recommender generates a data file with the following format: ...
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3answers
3k views

How to animate growth of a social network?

I am seeking for a library/tool to visualize how social network changes when new nodes/edges are added to it. One of the existing solutions is SoNIA: Social Network Image Animator. It let's you make ...