search for: fit_dbeta1

Displaying 2 results from an estimated 2 matches for "fit_dbeta1".

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2017 Dec 21
0
Fitting Beta Distribution
...ape-1) return(res) } LL1 <- function(shape){ R <- dbeta1(x, shape) res <- -sum(log(R)) return(res) } LL2 <- function(shape){ R <- dbeta2(x, shape) res <- -sum(log(R)) return(res) } set.seed(124) x <-rbeta(1000, 0.2, 0.2) fit_dbeta1 <- fitdistr( x , dbeta1, start=list(shape=0.5) , method="Brent", lower=c(0), upper=c(1)) print("estimate of shape from fit_dbeta1 is") print(fit_dbeta1$estimate) fit_dbeta2 <- fitdistr( x , dbeta2, start=list(shape=0.5) , method="Brent", lower=c(0), upper=c(...
2017 Dec 21
1
Fitting Beta Distribution
...ape-1) return(res) } LL1 <- function(shape){ R <- dbeta1(x, shape) res <- -sum(log(R)) return(res) } LL2 <- function(shape){ R <- dbeta2(x, shape) res <- -sum(log(R)) return(res) } set.seed(124) x <-rbeta(1000, 0.2, 0.2) fit_dbeta1 <- fitdistr( x , dbeta1, start=list(shape=0.5) , method="Brent", lower=c(0), upper=c(1)) print("estimate of shape from fit_dbeta1 is") print(fit_dbeta1$estimate) fit_dbeta2 <- fitdistr( x , dbeta2, start=list(shape=0.5) , method="Brent", lower=c(0), upper=c(...