在np.random.randn(4, 5) 基础上构造其它正太分布:3+2.5* np.random.randn(4, 5); np.random.randint(1, 10, size=(4, 5)):指定范围和shape的数组构造。 附一个NumPy的 Cheatsheet ,方便大家查看学习。 另外一个intellipaat的 cheatsheet。 以及Dadaquest的 cheatsheet。 Ref:编辑...
import pandas as pd import matplotlib.pyplot as plt ---numpy--- arr = np.array([1,2,3], dtype=np.float64) np.zeros((3,6)) np.empty((2,3,2)) np.arange(15) arr.dtype arr.ndim arr.shape arr.astype(np.int32) #np.float64 np.string_ np.unicode_ arr * arr arr - arr 1/...
开源最前线(ID:OpenSourceTop) 综合整理项目地址:https://github.com/gto76/python-cheatsheet 大多数的cheatsheet都是简单的语法规则列表,如果你手头有一份cheatsheet会让你的工作效率大大提升。 近日,有一叫Python-cheatsheet项目在Hacker News、Reddit、Github等网站上成功引起了广大程序员的注意。 Python-cheatsheet是...
from matplotlibimportcmfrom mpl_toolkits.mplot3dimportAxes3Dimport matplotlib.pyplotaspltimport numpyasnpfig=plt.figure()ax=fig.gca(projection='3d')X=np.arange(-10,10,0.1)Y=np.arange(-10,10,0.1)X,Y=np.meshgrid(X,Y)R=np.sqrt(X**2+Y**2)Z=np.sin(R)surf=ax.plot_surface(X,Y,Z,...
《CheatSheet:在Python中使用Pandas进行数据探索》传送门:https://www.analyticsvidhya.com/blog/2015/07/11-steps-perform-data-analysis-pandas-python/ PyOD 传送门:https://pyod.readthedocs.io/en/latest/ 难以发现异常值?这绝非个例。别担心,PyOD库就在这里。
import numpy as np 现在我们将从我的GitHub存储库中读取数据。我从Zillow下载数据。 Zillow:https://www.zillow.com/research/data/#other-metrics 代码语言:javascript 代码运行次数:0 运行 AI代码解释 file_dir= "https://raw.githubusercontent.com/zhendata/Medium_Posts/master/City_Zhvi_1bedroom_2018_05...
http://ml-cheatsheet.readthedocs.io/en/latest/logistic_regression.html 机器学习之简单线性回归教程(machinelearningmastery.com)http://machinelearningmastery.com/simple-linear-regression-tutorial-for-machine-learning/ 机器学习之逻辑斯特回归教程(machinelearningmastery.com)http://machinelearningmastery.com/...
《CheatSheet:在Python中使用Pandas进行数据探索》传送门:https://www.analyticsvidhya.com/blog/2015/07/11-steps-perform-data-analysis-pandas-python/ 5. PyOD 传送门:https://pyod.readthedocs.io/en/latest/ 难以发现异常值?这绝非个例。别担心,PyOD库就在这里。
Full API Reference: (https://pyod.readthedocs.io/en/latest/pyod.html). API cheatsheet for all detectors:fit(X): Fit detector. fit_predict(X): Fit detector first and then predict whether a particular sample is an outlier or not. fit_predict_score(X, y): Fit the detector, predict on ...
2. Big O Notation cheatsheet 3. Networkx reference documentation 4. Graphviz download 5. Pygraphvix 6. Star visualization 7. Dijkstra Algorithm 原文标题: An Introduction to Graph Theory and Network Analysis (with Python codes) 链接: https://...