Artificial Intelligence for Students by Vibha Pandey

Author:Vibha Pandey [Pandey, Vibha]
Language: eng
Format: epub
ISBN: 9789355517968
Publisher: BPB Publications
Published: 2023-06-15T00:00:00+00:00

There are several common ways to represent data, including tables, graphs, and plots. A typical presentation of various data types is:

Qualitative data can be presented in tabular forms, bar charts, or pie charts.

Quantitative data can be represented using dot plots and histograms.

Line graphs are used to present trends over time.

Scatterplots are used to present the relationship between variables.

Graphs are represented using two lines called coordinate axes. The horizontal line is termed the x-axis, while the vertical line is termed the y-axis. The two lines intersect at point ‘O’, called the point of origin.

On the x-axis, distances from the point ‘O’ to the right side have a positive value, and the distances from the origin to the left side have negative values. On the y-axis, the points above point ‘O’ have positives value, and the points below point ‘O’ have negative values. Figure 7.6 shows the x-axis and the y-axis, and the point ‘O’ or point of origin used in principles of graphical representation:

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