Log likelihood for normal distribution

Log likelihood for normal distribution

Usage

llikNorm(x, mean = 0, sd = 1, full = FALSE)

Arguments

x

Observation

mean

Mean for the likelihood

sd

Standard deviation for the likelihood

full

Add the data frame showing x, mean, sd as well as the fx and derivatives

Value

data frame with fx for the pdf value of with dMean and dSd that has the derivatives with respect to the parameters at the observation time-point

Author

Matthew L. Fidler

Examples

llikNorm(0)
#>           fx dMean dSd
#> 1 -0.9189385     0  -1

llikNorm(seq(-2,2,length.out=10), full=TRUE)
#>             x mean sd         fx      dMean        dSd
#> 1  -2.0000000    0  1 -2.9189385 -2.0000000  3.0000000
#> 2  -1.5555556    0  1 -2.1288151 -1.5555556  1.4197531
#> 3  -1.1111111    0  1 -1.5362225 -1.1111111  0.2345679
#> 4  -0.6666667    0  1 -1.1411608 -0.6666667 -0.5555556
#> 5  -0.2222222    0  1 -0.9436299 -0.2222222 -0.9506173
#> 6   0.2222222    0  1 -0.9436299  0.2222222 -0.9506173
#> 7   0.6666667    0  1 -1.1411608  0.6666667 -0.5555556
#> 8   1.1111111    0  1 -1.5362225  1.1111111  0.2345679
#> 9   1.5555556    0  1 -2.1288151  1.5555556  1.4197531
#> 10  2.0000000    0  1 -2.9189385  2.0000000  3.0000000