Data Analytics- Quiz 1- Questions and Answers

Data Analytics- Quiz 1- Questions and
Answers


what is an example of supervised learning? class setting




No target attribute unsupervised learning




methods of supervised learning 1. classification

2. regression



methods of unsupervised learning 1. clustering

2. association rules



learns a method for predicting the instance class from pre-labeled (classified) instances
classification




an attempt to predict a continuous attribute regression




finds "natural" grouping of instances given un-labeled data clustering

, method for discovering interesting relations between variables in large databases
Association Rules




we try to predict a categorical value with __________ classification




we try to predict numerical variable with __________ regression




Types of data: 1. Numerical

2. Categorical



Two types of data under categorical 1. Nominal

2. Ordinal



numerical data is _________ measurable




data with no order nominal




data that has order ordinal




data that is in counts are included in a bar chart nominal data




data that includes relative frequency ordinal data