Questions tagged [data-visualization]

Plotting data graphically, static or interactive.

Filter by
Sorted by
Tagged with
5
votes
2answers
128 views

Tracking Containers in a Train Station

This is a time line for control over the events of some containers in a train station. It gets all the data to build the time line by getting a JSON from a database via REST service. The app resets ...
1
vote
0answers
50 views

code plots - spatial data

I am an absolute newcomer in R. For my bachelor thesis I worked with spatial data. I did many plots with the normal "points"-function. I already have my results, but would like to improve my code. ...
13
votes
1answer
942 views

Plotting polynomials roots

NOTE: See follow up to this question here I created a simple python script to plot quadratic, cubic and quartic polynomials with integer coefficients between -4 and 4. It uses numpy to find the roots ...
11
votes
1answer
104 views

Python genetic sequence visualizer

I'm a beginner at python, and this is my first major project. Inspired by this reddit post, I wrote a program that accepts a DNA sequence (in a FASTA file format) and generates a graphical ...
10
votes
2answers
364 views

Plotting polynomial roots with density

Follow up on Plotting polynomial roots I rewrote the program to C++ and am now using GNU GSL scientific library and gnuplot and also used OpenMP for multithreading. The result is that it takes about ...
12
votes
2answers
923 views

Speech Recognition Part 1: Generate Training Data

You've all heard of neural nets, no? One of the "hello world"s of neural nets is OCR with the MNIST dataset. My idea for speech recognition is to train the neural net with short labeled spectrograms ...
7
votes
0answers
144 views

Multithreaded HD Image Processing + Logistic reg. Classifier + Visualization

[I'm awaiting suggestions for improvement/optimization/more speed/general feedback ...] This code takes a label and a folder path of subfolders as input that have certain labels ex: trees, cats with ...
5
votes
1answer
80 views

Tkinter GUI for running HPLC pumps, real-time data visualization

What I made I used Tkinter to write a GUI to run some HPLC pumps for my work. The application sends some messages to the pumps via serial connections, reads a response, then logs data to a csv file. ...
6
votes
2answers
142 views

Genetic Sequence Visualizer - Generating large images

Inspired by this reddit post, I have written a program that accepts a DNA sequence (in a FASTA file format) and generates a graphical representation. HIV virus and Ebola virus My program works like ...
5
votes
1answer
3k views

Print the frequency of characters as a horizontal histogram

Well, I've used some of the feedback from my last posting to improve how I wrote this program. Mainly using the void parameter in main, initializing my int array to zero without using a for-loop, and ...
3
votes
2answers
202 views

K&R Exercise 1-13. Printing histogram of word lengths (horizontal variant)

I'm going through the K&R book (2nd edition, ANSI C ver.) and want to get the most from it. How does the following solution look to you? Note that, for the sake of exercise, I don't want to use ...