Scattergrams are graphs made from the use of Cartesian coordinates in order to show the data values ”x” and “y” of the same event element. Also known as a scatter plot, it can suggest different types of correlations between variables with a given confidence interval. This correlation can be positive, negative or null. In this FastlyHealarticle we provide you with the definition of a scattergram .
Graph representing the distribution of two variables in a sample population. One variable is graphed on the vertical axis and the other horizontal. A scattergram shows the degree of presentation trend of the variables in relation to each other.
We call a control parameter when a parameter increases or decreases systematically by the experienced. A scatter plot can indicate different types of correlations:
- Positive correlation. Indicates an increase.
- Negative correlation. Indicates a descent.
- Null There is no correlation between the variables.
In order to study the correlation that exists between the variables, it is possible to draw an adjustment line or trend line. In the case of a linear correlation, the fit is known as linear regression and ensures a correct solution in a finite time. One of the most relevant aspects of the dysperiogram is that it allows showing the non-linear relationships between the variables.
Other types of charts
- Mixed graphics . They are those represented by two or more data series, each with a different type of graph. They are more showy and are used in order to accentuate the differences between the series. They can be in two or three dimensions.
- Cartograms . They are most used to display data on a geographic basis. The data density can be highlighted in circles, hatched, hatched or col.
- Area charts . Shows the trend of the information over a period of time. They can represent one or two series, and be made in two or three dimensions.
- Pie charts . These graphs show the internal distribution of the data that represents a fact, showing a total percentage.
- Line graphics . The values are represented in two orthogonal Cartesian axes to each other.
- Proportional bar graphs . They are used to highlight the representation of the percentages of the data that make up a total.
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