R Tcl/Tk Canvas Primer Tutorial

R Tcl/Tk Canvas Primer Tutorial

Like yesterday, have you heard of R?

R is a free software programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians and data miners for developing statistical software[2][3] and data analysis.[3] Polls and surveys of data miners are showing R’s popularity has increased substantially in recent years.

Check √ (we hope)

We use it with Tcl/Tk today in showing you a plotting job using the Tk GUI’s canvas widget.

R is a programming language growing in popularity, and unlike D following C in historical context, R follows S in historical context … go figure!

In this primer tutorial you can see Tcl/Tk being used by R to display a flight path plan via a tkcanvas, featuring interactive input.

Useful tutorials helping with this tutorial, for which we give much thanks, were

• Tk Docs – Tk Tutorial – Canvas
• r – Get data out of a tcltk function – Stack Overflow
• R (programming language) – Wikipedia (source of quote above)

Link to R programming source code you could rename to interactive_canvas.r

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