All Questions
Tagged with data-visualization beginner
18 questions
11
votes
1
answer
138
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 ...
- 175
8
votes
3
answers
208
views
Turn logged data into fancy plot
I'm logging data from an embedded platform over UART. This gets saved to a log file and I want to process the saved log with Excel.
I have no idea whether what I did was even remotely a good solution....
Mast♦
- 13.5k
7
votes
3
answers
435
views
K&R Exercise 1-13. Printing histogram of word lengths (vertical 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 ...
- 381
7
votes
1
answer
2k
views
Saving temporary file for plotting audio waveform
I am developing a web application in Flask - Python.
My goal is to let the user upload an mp3/wav file. This file will (for the scope of this question) get processed by the server and a picture ...
- 265
6
votes
2
answers
263
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 ...
- 175
6
votes
2
answers
415
views
K&R C Exercise 1-14: Histogram of the frequency of types of characters
This is for K&R C Exercise 1-14: basically asking to create a program that prints a histogram of the frequency of types of characters. This is done with very basic C functions/knowledge as covered ...
5
votes
2
answers
4k
views
Plotting an input curve and its FFT using gnuplot in C++
I'm currently working on a project1 which will result in millions of FFTs being solved time and time again. I have a finished prototype in Python (using numpy, scipy, and the pyfftw3 package), but ...
user129626
5
votes
1
answer
1k
views
Using chartJS in Angularjs to plot IOT data
I am a Javascript and AngularJS beginner.
Below is the code inside my chartController. What this does is get IOT data from a back-end call and display it in my front-end with a chart. There are two ...
- 51
5
votes
2
answers
261
views
Haskell Graphing Module (Gloss)
I've been slowly learning Haskell over the past few months. I made a small module to graph functions using Gloss, and I would like feedback on how idiomatic it is (looking for ways to simplify using ...
- 443
4
votes
1
answer
227
views
Create a histogram of the lengths of words
I am reading through K&R C 2nd Edition, and I am on exercise 1-13. The exercise is to write a program to print a histogram of the lengths of words in
its input. I wrote a program that successfully ...
- 41
4
votes
1
answer
98
views
Sample size, P-values (its relationship), and data visualization with plots. ggplot and T test
We know that P-values (within t-test context as an example..) is highly sensitive to sample size. A larger sample will yield a smaller p-value remaining everything else constant. On the other hand, ...
- 165
3
votes
1
answer
183
views
Plots of prior and posterior distributions for a model
I have an exercise that ask to plot the prior and posterior distribution in the Poisson-Gamma model. I did it (I think it's correct) inspired
in the answer of this question https://stats.stackexchange....
- 393
3
votes
1
answer
446
views
Simple D3 code for drawing area charts
I am quite new to D3 and JavaScript in general, so I'm sure there is a way to write the following in a lot less code:
...
- 131
3
votes
2
answers
1k
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 ...
- 381
3
votes
0
answers
112
views
JFreeChart generic plotting tool
I have created a bit of code that plots data for a project (XY Line Chart). It works. But it isn't what I'd consider good. I am looking to improve it in two ways:
Make it more generic, so that I can ...
- 131
2
votes
1
answer
206
views
Plotting savings rate in Go
I'm picking up Go, and wrote this simple script to parse a two csv files (spending.csv and savings.csv) to plot savings rate graph.
I would like to hear some generic comments on code readability, ...
- 883
2
votes
0
answers
62
views
GNUPlot Code for Plotting Three Dimensional Data
I am trying to plot three dimensional (multiple plane) data onto figures with various perspective view. The input data is tab-separated values in multiple file, and each file represent each plane. The ...
- 5,568
2
votes
0
answers
49
views
Function that plots data frames, supporting several variants
I defined a function that generates tables and creates countplots and barplots based on the arguments that it receives. But the snippets of code inside the function are repeated several times, which ...
- 121