Summary

Test

What we learned so far:

Visualization of the connection of data types and objects.

Raw data is categorized in different scales, which are expressed in different data types, which can be stored in different object types.

Note the different data types which can be stored in the objects.

Note the specific data types of objects:

• Vectors must be of the same data type.
• Matrices must be of the same data type.
• Data frames must be arranged that columns are of the same data type.
• Lists can contain any data type.
• Factors can contain only strings.