[R] rate of change

[Harold Doran]

Type help(deriv). However, it may be easier to compute the derivative by hand for a simple expression. 

HCD

-----Original Message-----
From: Fred J. [mailto:phddas at yahoo.com]
Sent: Monday, March 15, 2004 10:20 PM
To: r help
Subject: [R] rate of change


Hello
I am wondering, how do I find if R has a certain
funciton to do a given task. do I just type
help.search("rate").
I am just trying to find a function to calculate the
rate of change for a variable. I could come up with
one if there isn't any allready builtin.

thanks

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