boston python tutorial

), + Ss_y.inverse_transform (dis_knr_y_predict))) the Print("the average absolute error of the distance weighted K-nearest neighbor regression is:", Mean_absolute_error (Ss_y.inverse_transform (y_test), - Ss_y.inverse_transform (dis_knr_y_predict))) $ the " " the the default evaluation value for the average K-nearest neighbor regression is: 0.6903454564606561 the the r_squared value of the average K-nearest neighbor regression is: 0.6903454564606561 the Mean square error of average K nearest ne

linear kernel function support vector machine is: 27.0063071393243 the mean absolute error of the linear kernel function support vector machine is: 3.426672916872753 The default evaluation value for the polynomial kernel function is: 0.40445405800289286 The r_squared value of the polynomial kernel function is: 0.651717097429608 the mean square error of the polynomial kernel function is: 27.0063071393243 the mean absolute error of the polynomial kernel function is: 3.426672916872753" "Machine le

(Ss_y.inverse_transform (y_test), Ss_y.inverse_transform (lr_y_predict)) $ Print("the mean square error of the linear is:", Lr_mse) -Lr_mae =Mean_absolute_error (Ss_y.inverse_transform (y_test), Ss_y.inverse_transform (lr_y_predict)) - Print("the average absolute error of the linear is:", Lr_mae) - A #evaluation of the SGD model +Sgdr_score =Sgdr.score (x_test, y_test) the Print("the default evaluation value for SGD is:", Sgdr_score) -sgdr_r_squared =R2_score (y_test, sgdr_y_predict) $ Print("

regression tree is:", Dtr.score (X_test, y_test)) - Print("the r_squared values for the flat regression tree are:", R2_score (Y_test, dtr_y_predict)) - Print("the mean square error of the regression tree is:", Mean_squared_error (Ss_y.inverse_transform (y_test), - Ss_y.inverse_transform (dtr_y_predict))) A Print("the average absolute error of the regression tree is:", Mean_absolute_error (Ss_y.inverse_transform (y_test), + Ss_y.inverse_transform (dtr_y_predict))) the - " " $ the default evalua

standard Library, as well as binary forms of various platforms, can be obtained from the official Python website: https://www.python.org/free of charge, and you are free to spread these things.The site also contains suggestions from many people about the modules, programs, and tools that face Python 3, as well as a variety of additional documentation. The Python

Python quick tutorial and python tutorial There is a quick python tutorial written by someone on the Internet, which is very good. It is much better than reading books. Click the link below Http://www.douban.com/group/topic/30008

The index () method in Python is used in the tutorial, And the python tutorial is used in the tutorial. The index () method determines the str string. If the start index beg and end index end give a substring to locate the string or string at the end. This method is the sam

Simple 10-minute Python getting started tutorial and python getting started tutorial [Overview] Python is a dynamic interpreted programming language. Python can be used on Windows, UNIX, MAC, and other operating systems, or on Jav

Python installation tutorial-Windows, python tutorial-windows Before starting Python programming, you must first install the Python environment. You can download the Python installation

Basic python tutorial-simple branch and loop usage, basic python tutorial This example describes the simple usage of python branches and loops. We will share this with you for your reference. The details are as follows: Speaking of program design, we have to talk about seque

The Python quick tutorial is complete. I wrote a quick tutorial on Python over the past two years, and it finally took shape. This series of articles includes Python basics, standard libraries, and Django frameworks. The previous and later articles include the most important

developers speed up the development of Python and increase efficiency. An efficient code editor or IDE should provide features such as plugins, tools, etc. that can help developers develop efficiently. This article collects some of the best 10 Python for developers who are very helpful. 3. The top ten tricks can save Python developers time Introduction:: This a

Multi-thread instance tutorial in python and python instance tutorial This article describes in detail the usage of multiple threads in Python in the form of examples. It is widely used in Python programming. Share it with you for

Basic knowledge of notes in the basic python tutorial and basic python tutorial Digit-related Add from _ future _ import division to the Python program, directly execute it in the interpreter, or use the command switch-Qnew when running

2017 latest Python tutorial and others Python tutorial With the prevalence of Data Science, Python is more and more popular with programmers because it is easy to read and write. Python ranked first in the 2017 programming languag

Python advanced tutorial: multiple transfer methods of function parameters, python advanced tutorial We have been touched by the function parameter (arguments) transfer. At that time, we passed the corresponding parameters based on the location. We will be exposed to more parameter passing methods. Recall location tran

Python class variable and member variable usage example tutorial, python instance tutorial This article provides examples to illustrate the usage of class variables and member variables in python, which has some reference value for Pytho