Treating incorrect or missing data is called as ___________.

Related MCQs

• ___________ data are noisy and have many missing attribute values.
• Data marts that incorporate data mining tools to extract sets of data are called ______.
• The important aspect of the data warehouse environment is that data found within the data warehouse is___________.
• The important aspect of the data warehouse environment is that data found within the data warehouse is___________.
• Incorrect or invalid data is known as _________.
• Data that are not of interest to the data mining task is called as ______.
• __________describes the data contained in the data warehouse.
• The source of all data warehouse data is the____________.
• The most common source of change data in refreshing a data warehouse is _______.
• ______________ is data about data.