Diagram Concept

Diagram Concept

Diagrams are used to present the data in pictorial form. Diagram are used , where same type of data is presented in pictorial form over period of time.

Diagrams Advantages

Diagram are used for number of advantages

1.    Attractive

Diagrams are more attractive than table, and therefore widely used for presentation.

2.    User Friendly

Diagrams are easier to understand than figures and therefore have long lasting effect on user.

3.    Comparison

Diagram facilitates the comparison between two periods.

Diagram Disadvantages

1.    Complex Data

Diagram cannot be used for complex data presentation; these are only suitable for limited and simple data.

2.    Additional Job

Diagram is time consuming job because diagram is prepared from the classified data. Therefore first data is collected & classified, and then diagrams are prepared from classified data.

Diagram Types

1.    Linear Diagram

Diagram which has one dimension is known as linear diagrams. Examples of linear Diagrams are simple bars, multiple bars. Bars will have equal width but different length, where length presents the value, while width has no significance.

Single diagram used to describe single characteristics of a variable for example production of cotton over period.  Multiple bars are used to describe two characteristics of variable. for example cotton production & area used.

2.    Areal or Two Dimension Diagram

Diagram which has two dimensions are known as two dimension Diagrams. Rectangles and sub divided rectangles are example of two dimension diagram. Rectangles use both length and width to represent the variable value.

3.    Cubical or Three Dimensional Diagram

Diagram which have more than two dimensions are known as Cubical or three dimension diagram.

4.    Pie-Diagram

Diagram which present data in the form of circles or sector is known as pie gram. Size of sector is proportional to the value.

5.    Pictograph

Diagram which uses small pictures or symbols are known as pictograph