adopts a dictionary-oriented approach, associating to each category label a progressive integer number.

Related MCQs

• _______adopts a dictionary-oriented approach, associating to each category label a progressive integer number.
• In which of the following each categorical label is first turned into a positive integer and then transformed into a vector where only one feature is 1 while all the others are 0.
•          which can accept a NumPy RandomState generator or an integer seed.
•           which can accept a NumPy RandomState generator or an integer seed.
•           which can accept a NumPy RandomState generator or an integer seed.
• _____which can accept a NumPy RandomState generator or an integer seed.
• The most popularly used dimensionality reduction algorithm is Principal Component Analysis (PCA). Which of the following is/are true about PCA? 1. PCA is an unsupervised method2. It searches for the directions that data have the largest variance3. Maximum number of principal components <= number of features4. All principal components are orthogonal to each other
• his clustering approach initially assumes that each data instance represents a single cluster.
• The selling price of a house depends on many factors. For example, it depends on the number of bedrooms, number of kitchen, number of bathrooms, the year the house was built, and the square footage of the lot. Given these factors, predicting the selling price of the house is an example of ____________ task.
• To control the size of the tree, we need to control the number of regions. One approach to do this would be to split tree nodes only if the resultant decrease in the sum of squares error exceeds some threshold. For the described method, which among the following are true? (a) It would, in general, help restrict the size of the trees (b) It has the potential to affect the performance of the resultant regression/classification model (c) It is computationally infeasible