solver in R
library(MASS) check out fitdistr( ) ... ?fitdistr This isn't 'solver', but then again R isn't MS Excel!
Roslina Zakaria wrote:
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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