In the previous section, we learned that the app$layout() describes what the app looks like and is a hierarchical tree of components. You should see an app that looks like this. Run the app with and visit http:127.0.0.1:8050/ in your web browser. Yaxis = list('title' = 'Life Expectancy'), Xaxis = list('type' = 'log', 'title' = 'GDP Per Capita'), Line = list(width = 0.5, color = 'white')) Check out the plotly.r documentation and gallery to learn more. The figure argument in the dccGraph component is the same figure argument that is used by plotly.R, Plotly's open source R graphing package. Plotly.js supports over 35 chart types and renders charts in both vector-quality SVG and high-performance WebGL. dccGraph renders interactive data visualizations using the open source plotly.js JavaScript graphing library. The dashCoreComponents package includes a component called dccGraph. This application is using a custom CSS stylesheet to modify the default styles of the elements. The fonts in your application will look a little bit different than what is displayed here.Also, it can contain a string, a number, a single component, or a list of components. By convention, it's always the first attribute which means that you can omit it: htmlH1(children='Hello Dash') is the same as htmlH1('Hello Dash'). Dash is declarative: you will primarily describe your application through these attributes. Each component is described entirely through keyword attributes. ![]() The dashCoreComponents describe higher-level components that are interactive and are generated with JavaScript, HTML, and CSS through the React.js library. The htmlH1(children='Hello Dash') component generates a Hello Dash HTML element in your application. The dashHtmlComponents package has a component for every HTML tag.The layout is composed of a tree of "components" like htmlDiv and dccGraph.
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