Fitting a line means that the data points are best related to a line. One way to do this is to choose a slope and y-intercept value that defines the line. This slope and y-intercept value will represent the line that is closest to the data points.

purrr package is a tool for the R programming language and an interface designed for data exploration and data analysis. In particular, this package aims to facilitate basic data processing functions such as exploring, summarizing, visualizing and cleaning data sets. It can be used with other …

Principal component analysis (PCA) is a technique used to identify patterns in a dataset. It does this by identifying the directions (or “components”) in the data that account for the most variation. The first component is the direction in the data that accounts for the most variation, the second …