Câu hỏi phỏng vấn Data Structures
Câu hỏi

Name some common types and categories of Graphs

Câu trả lời

Graphs are essential tools in data visualization, used to represent and analyze relationships between data points. Here are some common types and categories of graphs:

Common Types of Graphs

  1. Line Graphs

    • Used to display data that changes continuously over time. Line graphs are ideal for showing trends and making predictions based on historical data[1].
  2. Bar Charts

    • Useful for comparing quantities corresponding to different groups. Bar charts can be vertical or horizontal and are used to display and compare categorical data[1][2].
  3. Pie Charts

    • Represent data in a circular format, ideal for showing proportional data or percentages of a whole. Each slice of the pie corresponds to a category's contribution to the total[1][2].
  4. Histograms

    • Similar to bar charts but used specifically for quantitative data. Histograms show the distribution of data over a continuous interval or certain period[1].
  5. Scatter Plots

    • Used to determine relationships between two variables. Each point on the scatter plot denotes the value of two variables, helping to identify correlations[1][2].
  6. Bubble Charts

    • An extension of scatter plots, where each data point also has a size dimension, allowing for the representation of three data dimensions in two-dimensional space[1].
  7. Area Graphs

    • Similar to line graphs but with the area below the line filled in, emphasizing the magnitude of values over time[2].
  8. Stacked Bar Charts

    • Extend the bar chart by dividing each bar into multiple categories, showing the cumulative contribution of each category t...
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