Computers and Technology, 17.04.2020 20:05 madisonsolis05
**(a)** Write a function that takes as input a model object (variable) fit via `lm()` and outputs a fitted versus residuals plot. Also, create arguments `pointcol` and `linecol`, which control the point and line colors, respectively. Code the plot to add a horizontal line at $y = 0$, and label the $x$-axis "Fitted" and the $y$-axis "Residuals". alok
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**(a)** Write a function that takes as input a model object (variable) fit via `lm()` and outputs a...
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