padjiman
padjiman
/ gist:2cb53fcea28ad384e0bdea9f107caa7f
Created
March 22, 2018 06:49
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| { | |
| "cells": [ | |
| { | |
| "cell_type": "code", | |
| "execution_count": 125, | |
| "metadata": { | |
| "collapsed": true | |
| }, | |
| "outputs": [], | |
| "source": [ |
padjiman
/ vw_blog.ipynb
Last active
September 6, 2021 17:16
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padjiman
/ roc_curve_blog.ipynb
Last active
March 23, 2018 14:16
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padjiman
/ gist:1609cb3de16dfcb8b0b9b6f5cace630c
Created
March 26, 2018 05:32
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| vw train.vw -c --passes 4 -f model.vw --loss_function logistic --interactions ci -b 26 |
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| package vw; | |
| import java.io.*; | |
| import java.text.ParseException; | |
| import java.util.ArrayList; | |
| import java.util.Arrays; | |
| import java.util.HashMap; | |
| import java.util.List; | |
| import java.util.stream.Collectors; |
padjiman
/ SGD_and_optims.py
Last active
November 3, 2018 16:22
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| def lin(params,x): | |
| return params[0]*x + params[1] | |
| def linear_gradients(params_to_learn,x,y): | |
| a = params_to_learn[0] | |
| b = params_to_learn[1] | |
| de_da = 2*x*(a*x+b-y) | |
| de_db = 2*(a*x+b-y) | |
| return [de_da,de_db] |