fim_logit: A function to calculate FIM entries
In kelvinyangli/mbmml: Learn Markov blankets using Minimum Message Length
Description
Usage
Arguments
Details
Description
This function calculates the finsher information matrix of a 1st order logit model.
Usage
1
fim_logit(dataNumeric, betaDotX, xIndices, yIndex)
Arguments
dataNumeric
Numerical format of original data, where variable values start from 0.
betaDotX
Inner product of parameters beta and input variables X.
xIndices
A vector of indices of the input variables.
y
The index of the output/target variable.
Details
FIM is a square matrix with dimensions equal to |beta| = |xIndices| + 1 for binary logit models.
rowID and colID in FIM corresponds to rowID-1 and colID-1 in xIndices, because the first row and column
of FIM is the 2nd derivative w.r.t. beta_0. There is no need to add a column of 1s in front of
dataNumeric, because the function start filling in entries from 2nd row and 2nd column. The 1st row and
column are filled in separately.
kelvinyangli/mbmml documentation built on June 29, 2020, 3:12 a.m.
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Description Usage Arguments Details
Description
This function calculates the finsher information matrix of a 1st order logit model.
Usage
1 | fim_logit(dataNumeric, betaDotX, xIndices, yIndex)
|
Arguments
dataNumeric |
Numerical format of original data, where variable values start from 0. |
betaDotX |
Inner product of parameters beta and input variables X. |
xIndices |
A vector of indices of the input variables. |
y |
The index of the output/target variable. |
Details
FIM is a square matrix with dimensions equal to |beta| = |xIndices| + 1 for binary logit models. rowID and colID in FIM corresponds to rowID-1 and colID-1 in xIndices, because the first row and column of FIM is the 2nd derivative w.r.t. beta_0. There is no need to add a column of 1s in front of dataNumeric, because the function start filling in entries from 2nd row and 2nd column. The 1st row and column are filled in separately.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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