D3 and Octave
From charlesreid1
Comparison between syntax/operations in Matlab/Octave and D3, with an eye toward arrays and other data structures.
Loading Data
Loading Data Without Headers
One Dimensional Array
Give a sample csv file
Matlab/Octave:
A = load('file.dat');
D3:
d3.text(
Two Dimensional Array
Matlab/Octave:
D3:
Loading Data With Headers
One Dimensional Array
Give an example file
Matlab/Octave:
Load it into a cell? Or how?
D3:
d3.csv(
Two Dimensional Array
Example file
Matlab/Octave:
D3:
Array Manipulation
Looping Through Elements of Array
One Dimensional Array
Example file
Matlab/Octave:
D3:
Two Dimensional Array
Example file
Matlab/Octave:
D3:
Slicing Two Dimensional Array
Grabbing Single Column
Example file
Matlab/Octave:
A(:,5)
D3:
array.map( function(d) { return d[5] } );
Grabbing Single Row
Example file
Matlab/Octave:
A(5,:)
D3:
array[0]
Grabbing Sub-Array
Example file
Matlab/Octave:
A(3:5,4:10)
D3:
array.slice()