case class Weibull(alpha: Double = 2.0, beta: Double = 2.0, stream: Int = 0) extends Variate with Product with Serializable
This class generates Weibull
random variates.
This continuous RV models the time for an event to occur.
- alpha
the shape parameter
- beta
the scale parameter
- stream
the random number stream
- See also
http://www.math.uah.edu/stat/special/Weibull.html
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Instance Constructors
-
new
Weibull(alpha: Double = 2.0, beta: Double = 2.0, stream: Int = 0)
- alpha
the shape parameter
- beta
the scale parameter
- stream
the random number stream
Value Members
- val alpha: Double
- val beta: Double
-
def
discrete: Boolean
Determine whether the distribution is discrete or continuous.
Determine whether the distribution is discrete or continuous.
- Definition Classes
- Variate
-
final
def
flaw(method: String, message: String): Unit
Show the flaw by printing the error message.
Show the flaw by printing the error message.
- method
the method where the error occurred
- message
the error message
- Definition Classes
- Error
-
def
gen: Double
Determine the next random number for the particular distribution.
-
def
igen: Int
Determine the next random integer for the particular distribution.
Determine the next random integer for the particular distribution. It is only valid for discrete random variates.
- Definition Classes
- Variate
- val mean: Double
-
def
pf(z: Double): Double
Compute the probability function (pf): Either (a) the probability density function (pdf) for continuous RV's or (b) the probability mass function (pmf) for discrete RV's.
-
def
pmf(k: Int = 0): Array[Double]
Return the entire probability mass function (pmf) for finite discrete RV's.
Return the entire probability mass function (pmf) for finite discrete RV's.
- k
number of objects of the first type
- Definition Classes
- Variate
-
def
sgen: String
Determine the next random string for the particular distribution.
Determine the next random string for the particular distribution. For better random strings, overide this method.
- Definition Classes
- Variate
- val stream: Int