[R] solver in R

From: Roslina Zakaria <zroslina_at_yahoo.com>
Date: Sun, 30 Mar 2008 23:29:28 -0700 (PDT)


Dear R-users,
Is there any function in R that works similarly like solver in Excel. I have a set of daily rainfall data and I would like to estimate alpha and beta for the gamma function.

Here is my daily rainfall data:
[1] 0.2 1.2 0.0 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.8 1.6 0.0 1.8 1.8 0.0 2.6

 [24] 33.0 19.0  0.0  0.0  0.6  0.0  0.0  6.8  0.2  0.0  0.0  0.0  0.0  0.2  0.0  0.0  0.0  0.0  0.0  0.0  1.6  5.4  0.0
 [47]  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.2  0.0  0.0  6.0  6.6  0.0  0.0  0.0  0.0  0.2  0.0  0.0  0.0  0.0
 [70]  0.0  0.0  0.0  0.0  0.0  0.0  0.0 12.8  0.0  0.0  0.0  0.0  0.0  0.0  0.2  0.0  3.8  2.2  1.2 12.2  3.0  0.0  0.0
 [93]  0.0  0.0  5.0  3.6  0.0  0.0  0.0  1.8  1.8  1.2  1.2  1.6  3.6  0.2  0.8  0.0  0.0  0.0  0.0  0.0  1.4 16.6  0.0

[116] 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 5.4
[139] 1.6 5.8 0.4 34.2 0.0 0.4 0.4 1.4 1.8 0.0 0.0 0.2 0.0 2.4 24.2 0.4 0.0 0.0 0.0 1.6 0.0 0.0 0.0
[162] 0.0 0.2 0.0 0.0 0.0 4.4 0.0 4.4 21.2 3.0 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

[185] 0.0 0.8 0.8 3.6 0.0 1.2 0.0 0.0 0.0 0.0 0.0 0.0 13.8 1.6 6.6 5.0 0.0 1.2 0.0 1.0 1.2 2.4 6.0
[208] 2.8 7.0 0.2 0.6 0.0 0.0 0.0 0.0 0.0 3.2 0.2 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0

[231] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2 6.6 2.4 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.6 0.0 0.0 0.0
[254] 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 2.6 0.0 0.6 4.8 0.0 0.2 3.8 17.0 0.2 0.0 0.0 0.0
[277] 43.6 2.6 0.0 0.0 0.0 0.4 8.2 14.4 0.2 0.0 0.0 0.0 1.8 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.2
[300] 0.0

Thank you in advance for your help.



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