Description Usage Arguments Details See Also Examples
There are different double weibull functions used in model fitting. Notice that for double.weibull.a
, double.weibull.b
and double.weibull.c
there are extra balancers added to the original double weibull function shown in details
.
1 2 3 4 | double.weibull(x, a1 = 0.14, b1 = 0.46, a2 = 0.86, b2 = 0.16, duration = 300)
double.weibull.a(x, a1 = 0.14, b1 = 0.46, a2 = 0.86, b2 = 0.16, duration = 300)
double.weibull.b(x, a1 = 0.14, b1 = 0.46, a2 = 0.86, b2 = 0.16, duration = 300)
double.weibull.c(x, a1 = 0.14, b1 = 0.46, a2 = 0.86, b2 = 0.16, duration = 300)
|
x |
The minutes within an STBS session, from 1-STBS_duration. |
a1 |
The lambda_1 in the function described in |
b1 |
The gamma_1 in the function described in |
a2 |
The lambda_2 in the function described in |
b2 |
The gamma_2 in the function described in |
duration |
STBS duration in minute. |
The basic double weibull function (double.weibull
) is expressed as
S(t)=e^{≤ft[-λ_1 (t-1)^{γ_1}\right]}+e^{≤ft[-λ_2(L+1-t)^{γ_2}\right]}
1 2 3 4 | curve(double.weibull, 1, 301, 10001, xlab="Minutes", ylab="Purity")
curve(double.weibull.a, 1, 301)
curve(double.weibull.b, 1, 301)
curve(double.weibull.c, 1, 301)
|
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