_________data are noisy and have many missing attribute values.

Related MCQs

• Effect of one attribute value on a given class is independent of values of other attribute is called____________.
• Treating incorrect or missing data is called as________.
• Training may be used when a clear link between input data sets and target output values does not exist.
• The important aspect of the data warehouse environment is that data found within the data warehouse is__________.
• Data marts that incorporate data mining tools to extract sets of data are called_________.
• data consists of sample input data as well as the classification assignment for the data
• In _____ , the value of an attribute is examined as it varies over time.
• can be thought of as classifying an attribute value into one of a set of possible classes
• How many components are there in a data warehouse?
• displays of data such as maps, charts and other graphical representation allow data to be presented compactly to the users.