Please help with this R code and Kniting the file after

The Assignment is based on following topic

Data screening:

Accuracy

Missing data

Outliers

Assumptions

additivity

linearity

normality

Homogeneity/Homoscedasticity

descriptives

histogram

MOTE

two-iv-bar

rm-bar

scatterplot of confidence

The required files to complete the work is available in the below link.

https://drive.google.com/drive/folders/1LBryKkrJYzaahJDBCOdWBTzb7UaqbF92?usp=sharing