machine learning exercises

2016-11-06Canvas Exercises and Learning notes second articleFirst of all, the following is still my study of the basic canvas after some of the small exercises, source code you can access my github:https://github.com/fanyearClock https://fanyear.github.io/Canvas/Clock/index.html(magnifier) left mouse button https://fanyear.github.io/Canvas/Magnifier/index.htmlZoo

Nonlinear Transformation (nonlinear conversion) ReviewIn the 11th lecture, we introduce how to deal with two classification problems through logistic regression, and how to solve multiple classification problems by Ova/ovo decomposition. Quadratic hypothesesThe two-time hypothetical space linear hypothetical space is extremely flawed: So far, the machine learning model we have introduced is linear model,

Exercises One:Set array$attr = Array (Array ("n001", "Han"),Array ("n002", "Hui"),Array ("n003", "Miao"),Array ("n004", "Uighur"),);1. Require a drop-down list of styles to be displayed on the page/*foreach ($a as $v){echo "}?>foreach ($a as $v){echo "}*/?>2. Requires a Checkbox/radio list to be displayed on the pageforeach ($a as $v){Echo""}?>Inserting code1PHP2 $attr=Array(3 Array("N01", "Han"),4 Array("N02", "Hui"),5 Array("N03", "Miao")6 );7?>89PH

PHP Learning Path II (array exercises) For an array of exercises, PHP is different from Java and C + + He is a weak type of language, and PHP arrays are very powerful. It has both the properties of the array in Java and the purpose of the collection. ";//Traversal array, method two: Print variable print_r ($a); echo"";? > ' Http://www.sina.com ', ' baidu '

-f ': ' $0~/abc/{print '} ' Test.log >/tmp/n.txtSort-n n.txt |uniq-c |sort-n >/tmp/n2.txtawk ' $1>10 {print $/tmp/n2.txt} '6. #! /bin/bashCheckip () {If echo $ |egrep-q ' ^[0-9]{1,3}\. [0-9] {1,3}\. [0-9] {1,3}\. [0-9] {1,3}$ '; ThenA= ' echo $ | Awk-f. ' {print '} 'B= ' echo $ | Awk-f. ' {print $} 'C= ' echo $ | Awk-f. ' {print $} 'D= ' echo $ | Awk-f. ' {print $4} 'For n $a $b $c $d; DoIf [$n-ge 255] | | [$n-le 0]; Thenecho "The number of the IP should less than 255 and greate than 0"Return 2F

Reprint Please specify source: http://www.cnblogs.com/ymingjingr/p/4271742.htmlDirectory machine Learning Cornerstone Note When you can use machine learning (1) Machine learning Cornerstone Note 2--When you can use

multivariable linear regression ( multivariate Linear Regression)Jobs from Links: http://openclassroom.stanford.edu/MainFolder/DocumentPage.php?course=DeepLearningdoc=exercises/ex3 /ex3.htmlThis time, the multivariate linear regression problem, the input eigenvector X is two-dimensional, one dimension represents the room area, one dimension represents the number of rooms, and the output Y is the price of the house.This time, try to find your own. Appr

of HTML code: first glance, second note, and three exercises. First, check the HTML code. In my impression, the first step of HTML code is analysis and viewing. The first step is a familiar process. We need to understand the components of HTML code through the first step, for example, when I first learned about hyperlinks, I first analyzed the letters at the beginning of the hyperlink. He does not need to include parentheses. Why does his Code contai

): Canvas.move (+) For x in range (0, $): Canvas.move (1, 0, 5) tk.update () time.sleep (0.05) #向左移动for x in range (0): Canvas.mov E (1, -5, 0) tk.update () time.sleep (0.05) #向上移动for x in range (0): canvas.move (1, 0,-5) Tk.update () time. Sleep (0.05) 3) Moving photos (gif format) Import timefrom tkinter Import *tk = TK () canvas = Canvas (tk, width = all, height = in) canvas.pack () myimg = Photoimage (fil E = "D:\\temp.gif") canvas.create_image (0, 0, anchor = NW, image = myimg) #向右移动for x i

We have developed a false news detector using machine learning and natural language processing, which has an accuracy rate of more than 95% on the validation set. In the real world, the accuracy rate should be lower than 95%, especially with the passage of time, the way the creation of false news will change. Because of the rapid development of natural language processing and

: "Programming collective Intelligence", "Machine learning for Hackers", "Hackersand Data mining:practical Machine learning Tools and techniques (Python version, r version, and Java edition). If you feel confused, you can choose one of them to start learning. Progra

is all 0. And because it can be deduced that b=1nz∗zt=wt∗ (1NX∗XT) w=wt∗c∗w, this expression actually means that the function of the linear transformation matrix W in the PCA algorithm is to diagonalization the original covariance matrix C. Because diagonalization in linear algebra is obtained by solving eigenvalue and corresponding eigenvector, the process of PCA algorithm can be introduced (the process is mainly excerpted from Zhou Zhihua's "machine