Description Usage Arguments Author(s) Examples
errorcorr
is an additional function in the bdynsys package. It calls functions preprocess_data
. It computes the errors in the models (differential equations) and the covariances of the errors. It then uses the covarinaces to re-estimate the Betas of the models. The covarinace matrix is printed and the re-estimated Betas saved in a file. It requires the package MASS
1 | errorcorr(dataset, indnr, x, y, f, xterms, yterms, nrterms, z, zterms, v, vterms)
|
dataset |
a |
indnr |
an integer number indicating number of indicators, to be included in the modeling procedure |
x |
a reference to variable from the paneldata to be included as indicator 1 in the modeling procedure. |
y |
a reference to variable from the paneldata to be included as indicator 2 in the modeling procedure. |
f |
a function that contains the models of the indicators. |
xterms |
a vector that contains the terms from the model dx/dt. |
yterms |
a vector that contains the terms from the model dy/dt. |
nrterms |
total number of in all equations, e.g. sum of terms in equation for dx/dt and terms in equation for dy/dt, if the number of variables is two. |
z |
a reference to variable from the paneldata to be included as indicator 3 in the modeling procedure. |
zterms |
a vector that contains the terms from the model dz/dt. |
v |
a reference to variable from the paneldata to be included as indicator 4 in the modeling procedure. |
vterms |
a vector that contains the terms from the model dv/dt. |
Viktoria Spaiser: viktoria.sp@web.de
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