advantages of the PLYR package, see two examples below:(1) For simple problems, the PLYR and apply functions have the same effect.> M> Apply (M,1,mean)[1] 1.666667 3.333333 3.000000 4.000000> aaply (M,1,mean)1 2 3 41.666667 3.333333 3.000000 4.000000(2) Here's a complicated one.A linear regression model was set up for each flower, and the results were given by the iris Iris DataSet.> Attach (
, has a tail that stays outside when the card is inserted.
Hardware specifications are the highlight of this update. The new 15-inch retina-screen MacBook Pro features a 2.3GHz Core i7 Haswell four-core processor and the corresponding Iris Pro 5200 HD graphics, with 8GB or 16GB memory, 256GB or 512GB solid-state drives. If you are willing to face higher prices, you can also opt for the Nvidia GeForce GT 750M discrete graphics card. This year, Apple h
I. PrefaceThe new version of Foxmail provides the "express mail" function. At first, I did not know how to use it. Later I learned to set the IP address of the local DNS server in tools> System Options.I think this new function is quite useful. You do not need to use the SMTP proxy to directly send emails to the mail exchanger in which the mailbox is located. At the beginning of the summer vacation, I want to implement this function in VC ++. After capturing the package with
, and the future price of a stock is predicted to be a return task because the price has a continuous value attribute. Both tasks aim to train a model so that the error between the predicted value of the target variable and the actual value is minimized. Predictive models can be used to determine customer responses to product promotions, to predict disturbances in the Earth's ecosystems, or to determine whether a patient suffers from a disease based on the results of the examination.Example 1.1
Tags: DNS Server Linux socket DNS protocol details
I. PrefaceThe new version of Foxmail provides the "express mail" function. At first, I did not know how to use it. Later I learned to set the IP address of the local DNS server in tools> System Options.I think this new function is quite useful. You do not need to use the SMTP proxy to directly send emails to the mail exchanger in which the mailbox is located. At the beginning of the summer vacation, I want to implement this function in VC ++. Af
. Net open source project LINK
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 content management system using Microsoft's ASP. NET and C # technologies.
Data Access Application Block
Http://www.gotdotnet.com/workspaces/workspace.aspx? C20d12b0-af52-402b-9b7c-aaeb21d1f431
Dotnetnuke
Ht
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 | p (ixi | re) \/| plucker | pocket | psp | ser
negative example, the value of the predicted negative case is the correct prediction value, that is, if it is a positive example, then take TP, if it is negative, then take TN, which is the forecast score.Python implements pseudo-code
#precision和recall的求法如上 # The main introduction to Python Paint Library import matplotlib.pyplot ad plt# mainly used for matrix operation of the library import numpy as np# import iris data and training see previous
probability that the first sample belongs to Class J, then the number of all samples belonging to class J is the sum of W (i,j), each sample XI corresponds to the value of Class J is W (i,j) Xi, so that the average is the class J corresponding Mu, The variance that continues to be calculated according to this idea is the sigma^2 of Class J, and the probability of class J is the number of class J divided by the total number of samples. So, although the GMM model is a little scary, but think abou
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
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
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
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
, trying to make up for their mistakes , the fierce struggle left her eternal scar in her left eye. Trial Angel-Kyle: The strongest hero of the mysterious eternal life, and is committed to eradicating all evil. For more than 10,000 years, she had covered her moving face and hid her delicate body. She wore the only surviving masterpiece of the genocide Craftsman clan, the Light Saint armor, waving the blade of fire that she had cast before the birth
Original address: Functional-light-js
The original, Kyle Simpson-the author of You-dont-know-js
Team of translators (in no particular order): Axi, Blueken, Brucecham, Cfanlife, Dail, KYOKO-DF, L3ve, Lilins, Littlepineapple, Matildajin, Holly, Pobusama, Cherry, radish, vavd317, Vivaxy, Meng Meng, Zhouyao
About the translator: This is a pure project flowing with Hujiang blood: serious, is the most solid HTML pillar
The simple and mature image has always been a popular design style. The Web design site minimizes the visual effects and illusion of color or effect of clothing, leaving the underlying structure exposed. The key to a beautiful minimalist site is a solid and structural layout, as well as a focus on stylish and well-designed layouts. These 50 examples show the best of the smallest examples of web design.
Chama
Kyle Steed
David Arias
Finch
S
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