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Data Analytics (Eng) / Data Analitika (Ing) - 344
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Given the five data points (4, 6), (?, 4), (1, 2), (2, 3), (3, 4), what should the value of ? be when K-Nearest Neighbour imputation is used where K = 1?
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To balance a data set we have decided to create a synthetic example using SMOTE. Consider the instance (1.9, 1) and let (1.5, 4) be its neighbour that we selected. What is the value of the x-coordinate of the synthetic example, given that the random number generated is 0.2?
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Consider a graph with vertices A, B, C, D, E with the labels 0, 0, 0, 1, 1 and the edges A-B, B-C, B-D, and D-E.
Which of the vertices is potentially noisy patterns?
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Consider the instances 0, 1, 2, 8, 7, 9 with the label 1 and the instances 4, 5, 6 with the label 0. How many Tomek links does the dataset have?
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Consider a graph with vertices A, B, C, D, E with the labels 0, 0, 0, 1, 1 and the edges A-B, B-C, B-D, and D-E.
What type of task is being considered?
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Given the five data points (4, 6), (?, 4), (1, 2), (2, 3), (3, 4), which instance is the most similar to the instance with the missing value?
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Given a categorical feature with a cardinality of four, what is the minimum number of new features required when using dummy encoding?
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Given the values A, B, B, B, A, C, D, E, what is the cardinality of the feature?
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The report created to describe all features using statistical measures and graphs is known as a?
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Consider a bar plot which shows the percentage distribution of the target feature, grouped by a categorical feature. The categorical feature is an irrelevant feature when:
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