Description Usage Arguments Value Author(s)

Produces a symmetric matrix (e.g., a covariance matrix) from a file that contains the triangle of the matrix and the main diagonal. Structural equation modeling (SEM) programs often report model-implied covariance matrices by reporting the lower triangle (containing covariances) and the diagonal (containing variances).

1 | ```
ReadSymMatrixFromTriangle(file, n.vars)
``` |

`file` |
Path to data file containing the triangle and main diagonal of the matrix |

`n.vars` |
The number of number of rows and columns in the matrix (i.e., the number of variables) |

A symmetric matrix with n.vars rows and n.vars columns

Roy Levy Roy.Levy@asu.edu

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