What is the difference between decision table and decision tree

The decision can be configured with a decision table or a decision tree. Using a decision table to select an account type results in empty boxes and using a decision tree results in duplicate conditions. In the center of the following image, slide the vertical line to compare the decision table and the decision tree for an account type decision. Did you find this content helpful? Want to help us improve this content? Pega Academy has detected you are using a browser which may prevent you from experiencing the site as intended.

To improve your experience, please update your browser. Advantages : A decision tree is easy to understand and interpret. Disadvantages : a Decision tables do not scale up well. Disadvantages : They are unstable, meaning that a small change in the data can lead to a large change in the structure of the optimal decision tree. Many other predictors perform better with similar data. This can be remedied by replacing a single decision tree with a random forest of decision trees, but a random forest is not as easy to interpret as a single decision tree.

Considering binary relationships, possible cardinality ratios are:. The ER model describes data as. Suggested Test Series. Suggested Exams. Which of the following concurrency control protocols ensure both conflict serializability and freedom from deadlock?

Time-stamp ordering. What is the minimum number of keys in any non-root node? A decision tree typically begins with a single node, which branches into possible outcomes. Each of those outcomes results to additional nodes, which branch off into other possibilities.

This gives it a tree-like shape. In decision tree tree-like graph , the nodes representing the place where we pick an attribute and ask a question; edge represents the answers to the question and the leaves represent the actual output or class label.

Decision trees visually demonstrate cause-effect relationships, providing a simplified view of a potentially complicated process.

Viva Differences. Decision Table A decision table is a table that indicates conditions and actions in a simplified and orderly manner. Comments are closed.