Polynomial Regression

Question 1

how to show help with Fi in R?

Answer 1

You press F1 for help and beginning of function . E.g lm() if u put key inbte lm and () it will show hlp

Question 2

can we use level or . if we have only one dependent variable?

Answer 2

yes , we can use

Question 3

x and y coordinate? Dependent vs indecent?

Answer 3

X-cordinate are the independent variable , y cordnate are the dependent variable