rustygrad 0.1.1

A tiny autograd engine inspired by micrograd
Documentation 
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use std::error::Error;
use std::fs::File;
use std::io::{BufRead, BufReader};

pub struct DataPoint {
    pub x: f64,
    pub y: f64,
    pub label: f64,
}

pub fn read_csv_file(filename: &str) -> Result<Vec<DataPoint>, Box<dyn Error>> {
    let file = File::open(filename)?;
    let reader = BufReader::new(file);

    let mut data_points = vec![];

    for (index, line) in reader.lines().enumerate() {
        let line = line?;

        if index == 0 {
            // Skip the header row
            continue;
        }

        let fields: Vec<&str> = line.split(',').collect();

        let x = fields[0].parse::<f64>()?;
        let y = fields[1].parse::<f64>()?;
        let label = fields[2].parse::<f64>()?;

        let data_point = DataPoint { x, y, label };
        data_points.push(data_point);
    }

    Ok(data_points)
}

pub fn load_moons_data() -> (Vec<Vec<f64>>, Vec<f64>) {
    let data_points = read_csv_file("make_moons.csv").unwrap();
    let mut xs: Vec<Vec<f64>> = vec![];
    let mut ys: Vec<f64> = vec![];

    for data_point in data_points {
        let x_vec = vec![data_point.x, data_point.y];
        xs.push(x_vec);
        ys.push(data_point.label);
    }

    (xs, ys)
}