When I use the Mplus to run an actor-partner interdependence model, it shows the error: "Unable to expand: P-BE". There are six variables in my data.csv.
The code in Mplus is below:
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TITLE: actor-partner interdependence model;
DATA: file is data.csv;
VARIABLE:
names are A-BE A-LTHI A-FSCS P-BE P-LTHI P-FSCS;
usevariables are A-LTHI A-BE P-LTHI P-BE;
missing is all (999);
ANALYSIS:
estimator = ml;
bootstrap = 5000;
MODEL:
A-BE on A-LTHI(a1);
A-BE on P-LTHI(p1);
P-BE on A-LTHI(a2);
P-BE on P-LTHI(p2);
A-LTHI with P-LTHI;
A-BE with P-BE;
OUTPUT:
stand;
sampstat;
cinterval(bcbootstrap);
*** ERROR
Unable to expand: P-BE
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The hyphen symbol (-) is used in Mplus to create a variable list for convenience so you don't have to write out as many variable names. For a variable list to work properly in Mplus, you would need to use numbers such as, for example:
VARIABLE: NAMES = A1-A12 B1-B14 C1-C5;
It looks like you may not actually be using the hyphen symbol to create variable lists but instead as part of single variable names. If, for example, A-BE is supposed to indicate a single variable, then you cannot use the hyphen symbol in that variable name. You can replace it with an underscore, i.e., A_BE.
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