What does a data matrix primarily consist of?

Machine Learning Quiz on Data Matrices and Metrics

Quiz
•
Computers
•
University
•
Hard
M. GOVINDARAJ CDOE
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Text and images
Functions and algorithms
Graphs and charts
Rows and columns
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metric is used to quantify dissimilarity for interval valued data?
Pearson Correlation
Cosine Similarity
Hamming Distance
Euclidean Distance
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Jaccard Coefficient ignore in its calculation?
The distance between objects
The number of 0-0 cases
The total number of features
The number of 1-1 cases
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of binary data, what does 'a' represent?
Number of features with values 0 and 1
Number of features with values 0 and 0
Number of features with values 1 and 0
Number of features with values 1 and 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of using metrics for binary data?
To perform regression analysis
To store data efficiently
To visualize data
To measure dissimilarity
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of ordinal data?
It can be ranked meaningfully
It has no inherent order
It consists of categorical variables
It is always numerical
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating the normalized value of an ordinal variable?
r + R
R/r
r/R
R - r
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