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QUESTION-2(TASK-2)
This stacked horizontal bar chart displays population distribution across multiple countries for the years 1950–2020, with each bar segment representing a yearly population count. It uses d3.csv to load the data, d3.stack() to compute the stacked segments, and d3.scaleOrdinal with d3.schemeCategory10 for color encoding. Hovering over a segment highlights it and shows a tooltip with the specific year and population value, using d3.axisLeft, d3.axisBottom, and d3.scaleBand.
AI-generated descriptionThe Distinctiveness of Iris Species through Flower Measurements
The following stacked bar graph illustrates average measurements by size: Sepal Length, Sepal Width, Petal Length, and Petal Width of three iris species— Iris setosa, Iris virginica, and Iris versicolor. They aim to show the unique morphological characteristics that differentiate one species from another, so that they give good clues about the diversity within the Iris genus. Hovering on each of the sections of the bars will pop up with the exact average measurement of that feature within species, as you interact with the visualization. This supports in great detail the comparison of the variation of each species from one another with respect to size of sepals and petals, aiding their proper identification and even classification. The sum of averages for the length of sepals and petals, and their widths for each bar on top of the other, represents the normalized totals of each stacked bar to enable comparison across species. This way of display provided a clear, relative view of all Iris species, accentuating the importance of every measure of morphology for species differential. The chart, actually, benefits notjsone only for a visual understanding of the Iris dataset but also takes part in learning in class for anyone who is interested in botany, plants, and the exciting world of plant morphologies.