It is normal for a freshman’s self-esteem to drop/decrease during their first year in college.

According to Mary Ainsworth, securely attached babies run to their mothers when she appears in a room after leaving them with a caregiver.

People should be able to “decide”  who the love of their life is no later than in their 20’s. 

A person who is clingy tens to be rejected over and over in romantic and non-romantic relationships.

The main reason college students leave or drop out of college is because the coursework is too hard.

Briefly define supervised machine learning.   If you use a supervised method to analyze your company’s data in support of a business decision, what assumptions are you making regarding your markets, competition, etc.?

You have used the Hawaiian Vacation data set and the following R command to generate the following graph:plot(vac$Income, vac$Family_size) knn_07.png Can you tell from this graph whether income and family size are positively correlated, negatively correlated, or not correlated?If you had to guess just using this graph, what would your guess be?What additional R command(s), if any, might you like to use to get a more specific answer?

Define RMSE and briefly describe how and why we use this metric when evaluating linear regression models.

You have run the following R code and produced the following R output:  Call:   lm(formula = a_y ~ a_x, data = a_frame)       Coefficients:   (Intercept) a_x 1.41883 0.05401  What is your dependent variable?

This refers to the Hawaiian Vacation KNN analysis script and output. What is the target variable, and what is/are your independent variable(s)? Please give a brief explanation of each variable and your reasoning.