import csv filename = 'ch02-data.csv' data = [] try: with open(filename) as f://用with语句将数据文件绑定到对象f reader = csv.reader(f) header = next(reader)//Python 3.X 用的是next() data = [row for row in reader] except csv.Error as e: print('Error reading CSV file…

import numpy as np import matplotlib.pyplot as plt def is_outlier(points, threshold=3.5): if len(points.shape) == 1: points = points[:, None] # Find the median number of points median = np.median(points, axis=0) diff = np.sum((points - median)**2, ax…

Before you can plot anything, you need to specify which backend Matplotlib should use. The simplest option is to use Jupyter’s magic command %matplotlib inline. This tells Jupyter to set up Matplotlib so it uses Jupyter’s own backend. Scatter Plot ho…

7 Tools for Data Visualization in R, Python, and Julia Last week, some examples of creating visualizations with htmlwidgets and R were presented. Fortunately, there are many more options available for creating nice visualizations. Tools and libraries…

Introduction to Data Visualization with Python | DataCamp https://www.datacamp.com/courses/introduction-to-data-visualization-with-python This course extends Intermediate Python for Data Science to provide a stronger foundation in data visualization…

python信用评分卡(附代码,博主录制) https://study.163.com/course/introduction.htm?courseId=1005214003&utm_campaign=commission&utm_source=cp-400000000398149&utm_medium=share  banking case1 http://ucanalytics.com/blogs/data-visualization-case-study-banking/ A…

Bokeh Data Visualization | DataCamp https://www.datacamp.com/courses/interactive-data-visualization-with-bokeh Bokeh is an interactive data visualization library for Python (and other languages!) that targets modern web browsers for presentation. It…

Data visualization - Wikipedia https://en.wikipedia.org/wiki/Data_visualization Data visualization or data visualisation is viewed by many disciplines as a modern equivalent of visual communication. It involves the creation and study of the visual re…

对数据可视化比较有兴趣,因此最近在看coursera上伊利诺伊大学香槟分校的数据可视化课程,做了一些笔记. 1. 定义 Data visualization is a high bandwidth connection between data on a computer system and a human brain, facilitated by visual communication. 2. 特征 洞悉数据,通过对数据的深入观察来帮助做进一步的决策,为后续探索研究提供进一步的假设. 3…

A Quick Overview of the ggplot2 Package in R While it will be important to focus on theory, I want to explain the ggplot2 package because I will be using it throughout the rest of this series. Knowing how it works will keep the focus on the results r…