Rikki Pitt rikkipitt

Web developer and director @jemcode

rikkipitt / simple-linear-regression.rb

Last active April 20, 2018 18:47 — forked from rweald/simple-linear-regression.rb

Simple Linear Regression in Ruby

	class SimpleLinearRegression
	def initialize(xs, ys)
	@xs, @ys = xs, ys
	if @xs.length != @ys.length
	raise "Unbalanced data. xs need to be same length as ys"
	end
	end

	def y_intercept
	mean(@ys) - (slope * mean(@xs))

rikkipitt / template.rb

Last active August 29, 2015 14:13

Ruby on Rails application template which "extends" from a common base template file

	def source_paths
	[File.expand_path(File.dirname(__FILE__))]
	end

	apply 'base.rb'

	# Template specific commands to go here

rikkipitt / gist:0fec4fe3c4c037d5dc2d

Created April 15, 2015 11:26

Sublime settings

	{
	"auto_complete_commit_on_tab": true,
	"bold_folder_labels": true,
	"detect_indentation": true,
	"dictionary": "Packages/Language - English/en_GB.dic",
	"ensure_newline_at_eof_on_save": true,
	"font_size": 12.0,
	"ignored_packages":
	[
	"Vintage"

rikkipitt / expression_validator.rb

Created June 9, 2015 15:15

Dentaku expression validator

	class ExpressionValidator < ActiveModel::EachValidator
	def validate_each(record, attribute, value)
	begin
	Dentaku(value)
	rescue Exception => e
	record.errors[attribute] << (options[:message] \|\| e.message)
	end
	end
	end