ds-quiz-1

Q1. Which scale is used in dendrogram representation for hierarchical clustering of data objects ?

Similarity scale

Feature scale

Probability scale

Density scale

Q2. CLIQUE(CLustering In QUEst) is a type of

Clustering Based on Density Distribution Functions

Probabilistic Hierarchical Clustering

An Apriori-like Subspace Clustering Method

A Representative Object-Based Technique

Q3. Suppose the original training set contains 100 positive and 1000 negative tuples. What will be the tuple values after undersampling?

1000 positive tuples and 1000 negative tuples

100 positive tuples and 100 negative tuples.

Q4. What is the order of evolution of decision tree algorithms?

ID3 , C4.5 , CART

ID3 , CART , C4.5

C4.5 , ID3 , CART

C4.5 , CART , ID3

Q5. Apriori property states:

All empty subsets of a frequent itemset must also be frequent

All empty subsets of a non frequent itemset must also be frequent

All nonempty subsets of a non frequent itemset must also be frequent

All nonempty subsets of a frequent itemset must also be frequent

Q6. TP/P is

Sensitivity

Specificity

Precision

Error Rate

Q7. In SVM any training tuples that falls on hyperplane is known as

Support Vector

Marginal Hyperplanes

Maximal margin

Decision boundaries

Q8. Process of removing noise and inconsistent data is known as

Data Integration

Data Cleaning

Data Preprocessing

Data reduction

Q9. Brown, blond, red, auburn, gray, and white is a type of

Numeric attributes

Ordinal attributes

Binary attributes

Nominal attributes

Q10. Technique to assign the equal weights to the value based on the accuracies of previous predictions in ensemble method is ______

Boosting

Adaboost

Bagging

Bootstrap

Data Science Quiz-1