Data Characteristics

Dependent and independent variables #

Independent Variables

(Domain of the problem):

• time
• space
• …

Dependent Variables

(they “depend” on the independent variables, they are measured along the independent variables) (Domain of the data to be visualized)

• temperature
• density
• velocity
• …

Quantitative and qualitative data #

• Quantitative
  • numeric
  • measurable
  • continuous or discrete

• Qualitative
  • categorical
  • requires subjective classification
  • discrete

Nominal and ordinal data #

• Qualitative data can be divided into nominal and ordinal data

• no inherent ordering

  

• ordering possible