Error performing command r <- stdres - Error in stdres (ols): could not find function "stdres". What do I do?

#1

I'm from Brazil. I'm a beginner in R. Sorry for the mistakes in English.
When using the Robust Regression script to the trees data, an error occurs in the line where stdres is present. I have already downloaded all the necessary packages (MASS and FORAIGNE) and still give this error.

Could someone help me understand what it could be causing? Follow the print.

hugs

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#2

You have to load the MASS library before using the stdres() function

library(MASS) 
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#3

You helped me. I did not know I had to carry it. Friend, the R will make me lose my hair more fingers. Thank you very much.

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#4

If your question's been answered (even by you!), would you mind choosing a solution? It helps other people see which questions still need help, or find solutions if they have similar problems. Here’s how to do it:

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