::Free Statistics and Forecasting Software::



:: Simulated Regression - Free Statistics Software (Calculator) ::

All rights reserved. The non-commercial (academic) use of this software is free of charge. The only thing that is asked in return is to cite this software when results are used in publications.

This program is one that an instructor could use to introduce simple linear regression. This R module uses a simple simulated data set and allows a sequence of graphs which show what regression is trying to do, how you can use it for prediction, and shows the residual plot. The last part uses a quadratic data set to show what the residual plot looks like in this case.
You can replace the default x and y by changing the underlying R code - for example: x=1:20 and y=1:20+rgamma(20,2,1)

Send output to:
Chart options

Source code of R module
Top | Output | Charts | References

Cite this software as:
Weldon Larry, (2017), Simulated Regression (v1.0.3) in Free Statistics Software (v1.2.1), Office for Research Development and Education, URL https://www.wessa.net/rwasp_regr.wasp/
The R code is based on :
Weldon Larry, Stat Ed Programs for Demos in R, Simon Fraser University, URL http://www.stat.sfu.ca/~weldon/title.doc
Weldon Larry, R Programs for Statistics Education, Simon Fraser University, URL http://www.stat.sfu.ca/~weldon/Programs
Weldon Larry, Instructions for using R programs for Statistics Education, Simon Fraser University, URL http://www.stat.sfu.ca/~weldon/instructions.doc
Top | Output | Charts | References

To cite Wessa.net in publications use:
Wessa, P. (2017), Free Statistics Software, Office for Research Development and Education,
version 1.2.1, URL https://www.wessa.net/

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Software Version : 1.2.1
Algorithms & Software : Patrick Wessa, PhD
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