COVID-19 is the disease caused by a new coronavirus called SARS-CoV-2. World Health Organisation (WHO) first learned of the virus on 31 December 2019. The WHO declared the coronavirus outbreak a pandemic in March 2020. This article will show how to create an interactive line chart with plotly, showing the changes in …

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Under five mortality rate is an estimate for each particular country for that year based on the available information. The accuracy of this value varies from country to country and is dependent on the availability of quality data. The data produced is composed of the median value as well as upper and lower bound limits …

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The Where method of Pandas Dataframe is used to replace data in a dataframe where the condition is false. It can return a new dataframe or modify the data in the original dataframe, thereby saving memory and object creation.

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A Bar Chart Race is an animation where the bars representing the data change in place on the chart to represent change over time. This is the second article to improve on the bar chart race to include changing categories over time while maintaining the color associated with each category.

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Bar charts present categories of data as rectangular bars with the heights or widths proportional to the values they represent. Horizontal bar charts are used in this article in which the length of the rectangular represents the value for each category. A standard or static bar chart represents one set of data and a …

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Plotly is an open-source graphing library for Python that is used to create interactive chart. Each chart displays a toolbar on the top right of the chart that contains a set of buttons to interact with the chart. These buttons provide functionality such as download an image of the chart, zoom in and out, pan, reset …

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