What does the Label Encoder function do?

Which of the following code is the correct way to transpose data?  

Which of the following statements are true regarding Lasso Regression?  

To find the median value in a particular column labeled “genus” in a data frame labeled as “df”, what would be the function used?

Python allows string slicing. What is the output of the following code: s=”Applied Machine Learning” print(s[3:5])  

When applying the K-Nearest-Neighbor algorithm, what is the correct way to fit and predict the dataset? For simplicity, let’s call the KNN classifier as “knn”, our training data as “X_data” and our test data as “y_data”.

What type of Naïve Bayes model uses a binary data type?  

Which of the following is the correct way to implement One Hot Encoding for a data frame  called “df” and the OneHotEncoder() is assigned to “ohe” as instance?  

Some common questions that have been asked:1.     you MUST take the test on a web camera enabled computer—mobile phones are not permitted to be used to take the test or during the test.2.     You must have a dedicated WiFi connection—hotspots cannot be used as they do not provide a strong connection. 3.     You MUST CLOSE all tabs that are open except the exam tab; otherwise, the exam will not open and you will be asked to force its closing. No extra monitors, tablets, laptops or outside assistance is permitted.4.     You must have an ID to begin the exam. A student ID or driver’s license is acceptable.Students will have ONE opportunity to complete this closed note/book timed exam. Once the exam has been opened, it MUST be completed.If you are encountering software/access errors, you need to contact Honor Lock or the CCAC helpdesk—not the professor.

A rising inflation rate is good news for which of the following groups?