Tag:Bar chart

  • Output reports using pandas dataframe


    By Christopher TaoCompile VKSource: towards Data Science As a data scientist or analyst who uses Python as the main programming language, I believe you must often use pandas. It is very frequent to output pandas dataframe on jupyter notebook. However, have you ever thought that we can visualize the dataframe itself? In other words, for […]

  • HTML5 generate bar chart (bar chart) effect instance code


    XML/HTML CodeCopy content to clipboard <html>     <canvas id=“a_canvas” width=“1000” height=“700”></canvas>     <script>         (function (){                   window.addEventListener(“load”, function(){                     var data = [1000,1300,2000,3000,2000,2000,1000,1500,2000,5000,1000,1000];               var xinforma=  [‘ January ‘,’ February ‘,’ March ‘,’ April ‘,’ may ‘,’ June ‘,’ July ‘,’ August ‘,’ September ‘,’ October ‘,’ November ‘,’ December ‘];       //   Get context           var a_canvas = document.getElementById(‘a_canvas’);     […]

  • What are PDF, PMF and CDF


    I still remember reading an article some time ago, which was to investigate what everyone did during the epidemic period. One of the articles was that we finally found out the difference between PDF and CDF during the epidemic period. Pdf, PMF and CDF are easily confused. Let’s take a look at these concepts today. […]

  • Charts.css: an open source artifact for data visualization


    [introduction]: charts.css is an open source CSS framework for data visualization, which helps users understand data and developers use simple CSS classes to transform data into beautiful charts. brief introduction Data visualization can improve the user experience because the graphical representation of data is usually easier to understand. Visualization helps end users understand data, while […]

  • Python visualization library pandas_ Alive, do the dynamic chart at will


    The text and pictures of this article are from the Internet, only for learning and communication, and do not have any commercial use. If you have any questions, please contact us in time. The following article is a grade I farnast, written by F   preface Recently, a similar visualization library “Pandas” has been found […]

  • Amway 5 amazing Matplotlib operation!


    Official account: Python Data ScienceAuthor: Dongge takes off As we all know, Matplotlib is Python’s visualization library, which is very powerful and can draw various graphs. Some common usages have recently shared the official cheatsheet of MatplotlibMatplotlib official pamphlet open, supporting visual code has been packaged! But! Today we do not take the usual road, […]

  • Recommend a component rich chart library livecharts


    Currently, there are many data visualization toolkits in the front end, such as ECharts.js , Chart.js , d3.js, etc. compared with the front-end, they are relatively less implemented in desktop applications. At present, I think the effect of livecharts is better, and it provides many components, such as charts, bar charts, lines, heat maps, scales […]

  • Three excel charts to improve analysis and visualization


    By ram dewaniCompile | VKSource | analytics vidhya summary Excel is a powerful way to show the chart Here are three excel charts that every analyst should be familiar with introduce I like to create ready-made visual effects. Most analysts can produce bar charts or line charts, but the ability to take your visualization skills […]

  • Monotonous stack of algorithms


    1. Maximum rectangle difficultydifficulty Given a two-dimensional binary matrix containing only 0 and 1, find the largest rectangle containing only 1 and return its area.Example:Input:[ [“1”,”0”,”1”,”0”,”0”], [“1”,”0”,”1“,”1“,”1“], [“1”,”1”,”1“,”1“,”1“], [“1”,”0”,”0”,”1”,”0”]]Output: 6 2. Basic problem — the maximum area of array Given array arr, where arr [i] represents a rectangle with 1 as the bottom and arr […]

  • 10 data visualization skills, let you understand at a glance!


    I have to tell you the truth: when I studied data science, I totally underestimated the importance of drawing. Yes, it was a mess: I learned Python from scratch, became familiar with all the possible algorithms, understood the math behind everything, but my drawing skills were terrible. Why? We’re always doing the same thing. You […]

  • Matplotlib for Python data visualization


    1、 Common module import import numpy as np import matplotlib import matplotlib.mlab as mlab import matplotlib.pyplot as plt import matplotlib.font_manager as fm from mpl_toolkits.mplot3d import Axes3D 2、 Solve the problem of abnormal display Chinese random code myfont = fm.FontProperties (fname = font file path) The negative sign is shown as a square matplotlib.rcParams[‘axes.unicode_minus’]=False 3、 Line […]

  • Canvas series tutorial 03 – histogram project 1


    Made a pile of lines, squares and functions, feel very mysterious, but with eggs. Let’s just write a project. One of the more drag applications of canvas is charts and games. We start from shallow to deep and play charts first. We will talk about the simplest histogram today. Histogram many people use Baidu echars, […]