Description Usage Arguments Value Author(s) See Also Examples

Computes the (normalized or relative) profile likelihood for the parameters of a same-different test, plots the normalized profile likelihood and computes profile likelihood confidence intervals.

1 2 3 4 5 6 7 8 9 | ```
## S3 method for class 'samediff'
profile(fitted, which = 1:2, max = 2, numpts = 100,
max.delta = 10, max.tau = 10, ...)
## S3 method for class 'profile.samediff'
plot(x, which = 1:nc, level = c(0.99, 0.95),
fig = TRUE, ...)
## S3 method for class 'samediff'
confint(object, parm = c("tau", "delta"), level = 0.95, max = c(10, 10)
, ...)
``` |

`fitted` |
a |

`x` |
a |

`object` |
a |

`which` |
numeric: which parameters to profile or plot; either "1" or "2" or "1:2" to mean "tau", "delta" or both respectively. |

`parm` |
the parameter(s) to compute the confidence interval for |

`max` |
for |

`numpts` |
control parameter: At how many points should the profile likelihood be evaluated? |

`max.delta` |
control parameter: The maximum point at which to evaluate the profile likelihood for delta |

`max.tau` |
same as |

`level` |
for |

`fig` |
logical: Should the normalized profile likelihoods be plotted? |

`...` |
not currently used. |

For `profile`

:
An object of class `"profile.samediff", "data.frame"`

—a
`data.frame`

with two columns for each parameter profiled giving
the value of the parameter and the corresponding value of the profile
likelihood.

For `plot`

:
An object of class `"nProfile.samediff", "data.frame"`

—the
`data.frame`

from the `profile`

-object with extra
columns corresponding to the `which`

parameter containing the
normalized profile liklelihood.

For `confint`

:
A 2x2 matrix with columns named `"lower", "upper"`

giving the
lower and upper (1 - `alpha`

)% confidence interval for the
parameters named in the rows.

Rune Haubo B Christensen

1 2 3 4 5 6 7 8 |

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