iris biometrics

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Use tensorflow to implement the elastic network regression algorithm and tensorflow Algorithm

Use tensorflow to implement the elastic network regression algorithm and tensorflow Algorithm This article provides examples of tensorflow's implementation of the elastic network Regression Algorithm for your reference. The specific content is as follows: Python code: # Using tensorflow to implement an elastic network algorithm (multi-variable) # using the iris dataset, the last three features are used as features to predict the first feature. #1 impo

Nginx configuration site suitable for PC and mobile phone

do_not_perform;if ($http _user_agent ~* "(android|bb\d+|meego). +mobile|avantgo|bada\/|blackberry |blazer|compal|elaine|fennec|hiptop|iemobile|ip (hone|od) |iris|kindle|lge |maemo|midp|mmp|mobile.+firefox| Netfront|opera m (ob|in) i|palm (OS)? | Phone|p (Ixi|re) \/|plucker|pocket|psp|series (4|6) 0|symbian|treo|up\. (browser|link) |vodafone|wap|windows Ce|xda|xiino ") {set $mobile _rewrite perform;} if ($http _user_agent ~* "^ (1207|6310|6590|3gso|4t

R language topic, how to use party package to build decision tree?

The following will show you how to use the function ctree in the party package to build a decision tree on the iris dataset.Sepal.length, Sepal.width, Petal.length, and Petal.width in the iris dataset will be used to predict the type of iris.The function ctree in the party package is used to build the decision tree, and the function predict is used to predict the new data.Before modeling, the

Nginx Server installation and some basic configuration summary _nginx

http_code; return http_code "content"; e.g. location/api/test/{return 403; } location/stat/{return 204; } location/ping/{return } For mobilemove end and site side jump to each other Location =/{Try_files $uri @mobile_rewrite; } location ~ ^/(login|register|search|album|404|album/\d+|item/\d+|topic) $ {try_files $uri @mobile_rewrite; } location @mobile_rewrite {if ($http _user_agent ~* (android|bb\d+|meego). +mobile|avantgo|bada\/|blackberry|bla Zer|compal|ela

Python implementation of simple BP neural network __python

Although the neural network has a very complete and useful framework, and BP Neural network is a relatively simple and inefficient one, but for the purpose of learning to achieve this neural network is still meaningful, I think. The following program uses the iris dataset, in order to facilitate the drawing first with PCA to the data to reduce the dimension. At the same time, the classification results are labeled, according to the characteristics of

Machine learning Exercises (iii)--cross-validation cross-validation

First, choose the correct model basis verification method From sklearn.datasets Import Load_iris # Iris DataSet from sklearn.model_selection import train_test_split # split data Module From sklearn.neighbors import Kneighborsclassifier # k nearest neighbor (Knn,k-nearestneighbor) classification algorithm #加载iris数据集 iris = Load_

How to Use the naive Bayes algorithm and python Bayesian Algorithm in python

are normally distributed (for example,), they are mainly used for numeric features. Use the data in the scikit-learn package. The code and description are as follows: >>> From sklearn import datasets # import data in the package >>> iris = datasets. load_iris () # load data> iris. feature_names # display Feature Names ['sepal length (cm) ', 'sepal width (cm)', 'petal length (cm) ', 'petal width (cm) '] >>

Configure your website to adapt to PCs and mobile phones

://detectmobilebrowsers.com/ As Nginx is used in this article, you only need to download the Nginx configuration on the website. Set $ mobile_rewrite do_not_perform; if ($ http_user_agent ~ * "(Android | bb \ d + | meego ). + mobile | avantgo | bada \/| blackberry | blazer | compal | Eline | fennec | hiptop | iemobile | ip (hone | od) | iris | kindle | lge | maemo | midp | mmp | mobile. + firefox | netfront | opera m (ob | in) I | palm (OS )? | Phone

Nginx configuration website for PC and mobile phone

do_not_perform;if ($http _user_agent ~* "(android|bb\d+|meego). +mobile|avantgo|bada\/|blackberry |blazer|compal|elaine|fennec|hiptop|iemobile|ip (hone|od) |iris|kindle|lge |maemo|midp|mmp|mobile.+firefox| Netfront|opera m (ob|in) i|palm (OS)? | Phone|p (Ixi|re) \/|plucker|pocket|psp|series (4|6) 0|symbian|treo|up\. (browser|link) |vodafone|wap|windows Ce|xda|xiino ") {set $mobile _rewrite perform;} if ($http _user_agent ~* "^ (1207|6310|6590|3gso|4t

Apache checks mobile device access to website Rewrite

Apache rewrite check mobile device Access website The code is as follows Copy Code Rewriteengine onRewritebase/ Rewritecond%{http_user_agent} (Android|bbd+|meego). +mobile|avantgo|bada/|blackberry|blazer|compal|elaine|fennec |hiptop|iemobile|ip (hone|od) |iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m (ob|in) i|palm (OS)? | Phone|p (Ixi|re)/|plucker|pocket|psp|series (4|6) 0|symbian|treo|up. (Browser|link

Data mining using support vector Machine (SVM) in R (bottom)

versicolor types of iris, but the other two are wrongly predicted as virginica types; The model correctly predicts 48 of the irises that belong to the Virginica type, but also predicts the other two incorrectly as the versicolor type.An optional parameter in the function predict () is decision.values, and we also discuss the use of this parameter briefly here. By default, the default value for this parameter is false. If it is set to true, then the r

Four most popular machine learning datasets [go]

Machine learning algorithms must act on data. The nature of data determines whether the applied machine learning algorithms are suitable, and the quality of data determines the performance of algorithms. Therefore, it is important to study and analyze data. This article, as the first part of the study data series, lists four of the most popular machine learning datasets.Iris Iris, also known as Iris flower

Introduction to classic Sniffer Software

(Ping, ping scan, trace route, Name Lookup, name scan, DNS lookup, Port Scan, service scan, finger, Whois, and throughput), packetgrabber is a remote datagram collection program. the peek SDK is also provided to help you develop plug-ins on your own. The SDK documentation is in the 1033/documents/peek sdk/directory of the installation path.Etherpeek for Windows is an award-winning Ethernet traffic and protocol analyzer. etherpeek establishes "Easy to use" industry standards. etherpeek is the be

Do not participate in "Loser Games"

In 1975, Charles Iris published an article in the Financial Analyst monthly, describing investment as a "loser game" for the first time ". At that time, iris observed that in the entire investment field, thousands of people rushed forward to compete for the "undiscovered" stock in front of them. These people were trained to look at the problem in the same way, constantly making "unforced mistakes"-this is a

. Net open source project

I found some materials today. However, I feel that Java is more open-source and has a Chinese version. It is much easier for me to read English. The Java open source summary web site is: http://www.open-open.com/index.htm Below is the Open Source of. net, mainly in SF. net Project URL Introduction Rainbow Http://www.rainbowportal.net/Http://sourceforge.net/projects/rainbowportal/ The Rainbow Project is an Open Source Initiative to build a comprehensive co

Jsp checks whether the mobile client accesses the website

I won't talk about anything else. I just went to the code,JSP Version The code is as follows:Copy code String ua = request. getHeader ("User-Agent"). toLowerCase ();If (ua. matches ("(? I ). * (android | bb \ d + | meego ). + mobile | avantgo | bada \/| blackberry | blazer | compal | Eline | fennec | hiptop | iemobile | ip (hone | od) | iris | kindle | lge | maemo | midp | mmp | netfront | opera m (ob | in) I | palm (OS )? | Pho

Python calls R, using Rpy2

] a A B CLevels:a b C[1] 1.2 2.3a.1l a.2l b.3l b.4l1 1 2) 3 4Finally, let's look at a bit more complex R code execution in python." " Library (randomforest) # import Random Forest Package # # Use data Set irisdata = Iris # using the Iris DataSet table (data$species) # # Create a randomforest m Odel to classfy the iris species# create a random forest model for

Apply function in R language

, FUN = NULL, ..., simplify = TRUE)Parameter list: X: Vector Index: The indexes used for grouping Fun: a custom call function ...: Receive multiple data Simplify: Whether array, when the value array, the output results are grouped by array For example, calculate the mean of the petal (Iris) length of different varieties of irises.# 通过iris$Species品种进行分组> tapply(

Illustrator making flat animal cartoon head drawing tutorial

touches the tip of the nose. Using the nose as a key object, align the ellipse to the nose. To do this, you need to select 2 shapes and hold down the ALT key when you click the nose shape. You will see a thick stroke around your nose to indicate the key object. Go to the Alignment panel and click the Horizontal center alignment. Then select the Anchor Point tool (SHIFT-C) and move down the anchor handle of the bottom anchor point to about 45 °. Use a guide to move the anchor handle to

Python data analysis Tools--pandas, Statsmodels, Scikit-learn

convert the data according to this set of "bases".Scikit-learn itself provides some examples of data, the more common is the Anderson Iris flower data set, handwritten image dataset and so on. Now use IRIS data set Iris to write a simple machine learning example. For this data set, you can read the "R Language Data Mining Practice-Introduction to data mining"#-*

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