octave machine learning

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Starting from scratch machine learning 1th One realization of a perceptual machine

0. Training Data set: Iris DataSet (Iris DataSet), get URL Https://archive.ics.uci.edu/ml/machine-learning-databases/iris/iris.dataAs shown, the first four columns of each row of data in the IRIS data set are the petal length/width, the calyx length/width, and the iris in three categories: Setosa,versicolor,virginicaYou can save the dataset with the following example code and display the last 5 rows1 Import

Optimization and machine learning (optimization and machines learning)

This is according to the (Shanghaitech University) Wang Hao's teaching of the finishing.Required pre-Knowledge: score, higher garbage, statistics, optimizationMachine learning: (Tom M. Mitchell) "A computer program was said to learn from experience E with respect to some CL The performance of the tasks T and measure p if its performance at the tasks in T, as measured by P, IM proves with experience E ".? What is experience:historical data? How to lear

A large-scale distributed depth learning _ machine learning algorithm based on Hadoop cluster

This article is reproduced from: http://www.csdn.net/article/2015-10-01/2825840 Absrtact: Deep learning based on Hadoop is an innovative method of deep learning. The deep learning based on Hadoop can not only achieve the effect of the dedicated cluster, but also has a unique advantage in enhancing the Hadoop cluster, distributed depth

"Machine Learning Foundation" soft interval support vector machine

corresponds to different C, while the longitudinal axes represent different gamma.The above diagram shows the use of cross-validation method we choose the least error of the model parameter, we can only select a few different C and γ, compare which parameter combination of the form is better.Relationship between SVM and support vectors with a cross-validation errorOne of the interesting relationships in SVM is that the error of leaving a cross-validation is less than or equal to the scale of th

Andrew Ng's Machine Learning course learning (WEEK5) Neural Network Learning

This semester has been to follow up on the Coursera Machina learning public class, the teacher Andrew Ng is one of the founders of Coursera, machine learning aspects of Daniel. This course is a choice for those who want to understand and master machine learning. This course

Coursera Machine Learning Cornerstone 4th talk about the feasibility of learning

This section describes the core of machine learning, the fundamental problem-the feasibility of learning. As we all know about machine learning, the ability to measure whether a machine learni

Machine learning (seven or eight): SVM (Support vector machine) "Optimal interval classification, sequential minimum optimization algorithm"

Because there is a very detailed online blog, so this section will not write their own, write can not write others so good and thorough.jerrylead Support Vector Machine series:Support Vector Machine (i): http://www.cnblogs.com/jerrylead/archive/2011/03/13/1982639.htmlSupport Vector Machine (ii): http://www.cnblogs.com/jerrylead/archive/2011/03/13/1982684.htmlSupp

Machine learning path: Python support vector machine handwriting font recognition

(Digits.data, - Digits.target, intest_size=0.25, -Random_state=33) to + " " - 3 recognition of digital images using support vector machine classification model the " " * #standardize training data and test data $SS =Standardscaler ()Panax NotoginsengX_train =ss.fit_transform (X_train) -X_test =ss.fit_transform (x_test) the + #Support Vector machine classifier for initializing linear hypothesis ALsvc =lin

Machine learning-Support vector machine algorithm implementation and instance program

() function is used to convert the 32x32 binary image to the 1x1024 vector and the loadimages () function to load the image.Four Test results and methodsThe number of support vectors, the error rate of training set and the error rate of test set are tested with the testdigits () function.After 4 iterations are obtained:Five Kernel functionThe kernel function is the core algorithm of SMV, and for a sample that is linearly non-divided, the original input space can be linearly divided into a new k

Machine Learning Overview

Machine Learning is to study how computers simulate or implement human learning behaviors to acquire new knowledge or skills and reorganize existing knowledge structures to continuously improve their own performance. It is the core of artificial intelligence and the fundamental way to make computers intelligent. It is applied in various fields of artificial intel

Machines Learning-----> What is machine learning

1. Overview:The first step in learning a subject is to understand what this knowledge is and what it can be used for.This article lists some of the more well-written articles in the process of learning machine learning and the initial impressions of machines learning after r

Cow People's Blogs (image processing, machine vision, machine learning, etc.)

1, Xiao Wei's practice road Http://blog.csdn.net/xiaowei_cqu 2, Morning Chenyusi far (Shi Yuhua Beihang University) Http://blog.csdn.net/chenyusiyuan 3, Rachel Zhang (Zhang Ruiqing) 's blog Http://blog.csdn.net/abcjennifer 4. ZOUXY09 (Shaoyi) http://blog.csdn.net/zouxy09 (deep learning, image segmentation, Kinect development Learning, compression sensing) 5, Love CVPR HTTP://BLOG.CSDN.NET/ICVPR 6, focus on

Robotic Learning Cornerstone (Machine learning foundations) ml Cornerstone handwritten notes Daquan

Hello everyone, I am mac Jiang. See everyone's support for my blog, very touched. Today I am sharing my handwritten notes while learning the cornerstone of machine learning. When I was studying, I wrote down something that I thought was important, one for the sake of deepening the impression, and the other for the later review.Online

Summary of machine learning Algorithms (iii)--Integrated learning (Adaboost, Randomforest)

1. Integrated Learning OverviewIntegrated learning algorithm can be said to be the most popular machine learning algorithms, participated in the Kaggle contest students should have a taste of the powerful integration algorithm. The integration algorithm itself is not a separate mac

Machine learning streamlining Getting started tutorial

Machine learning Tutorial One-do not understand these linear algebra knowledge don't say you're a machine learner. (2016-04-01) Machine learning Tutorial Two-installing octave drawing 3D function images (2016-04-30)

Machine learning needs to read books _ Learning materials

If you only want to read a book, then recommend Bishop's Prml, full name pattern recognition and Machine Learning. This book is a machine learning Bible, especially for the Bayesian method, the introduction is very perfect. The book is also a textbook for postgraduate courses in ma

Machine learning-An introduction to statistical learning methods

discriminant models (discriminative model)The generation method is obtained by the data Learning Joint probability distribution P (x, y) and then the conditional probability distribution P (y| X) as the predictive model, the model is generated : P (Y |X )= P(X,Y)p ( X ) This method is called a build method , which represents the generation relationship of output y produced by a given input x. such as: Naive Bayesian and Hidden M

Machine Learning Theory and Practice (6) Support Vector Machine

,m)) return jdef clipAlpha(aj,H,L): if aj > H: aj = H if L > aj: aj = L return ajdef smoSimple(dataMatIn, classLabels, C, toler, maxIter): dataMatrix = mat(dataMatIn); labelMat = mat(classLabels).transpose() b = 0; m,n = shape(dataMatrix) alphas = mat(zeros((m,1))) iter = 0 while (iter The running result is shown in figure 8: (Figure 8) If you are interested in the above code, you can read it. If you use it, we recommend using libsvm. References: [1]

Stanford CS229 Machine Learning course Note III: Perceptual machine, Softmax regression

before, but you need to define T (Y) here:In addition, make:(t (y)) I represents the first element of the vector T (y), such as: (t (1)) 1=1 (T (1)) 2=01{.} is an indicator function, 1{true} = 1, 1{false} = 0(T (y)) i = 1{y = i}Thus, we can introduce the multivariate distribution of the exponential distribution family form:1.2 The goal is to predict the expectation of T (y), because T (y) is a vector, so the resulting output will also be a desired vector, where each element is:Corresponds to th

[Learning Note 1] motivation and application of machine learning

This series of blogs records the Stanford University Open Class-Learning notes for machine learning courses.Machine learning DefinitionArthur Samuel (1959): Field of study that gives computers the ability to learn without being explicitly programmed.Tom Mitchell (1998): A computer program was said to learn from experie

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