ntain the rest of the equation, written using variable names, standard operators, and functions available in R. For convenience, the package also includes commonly used operations on matrix columns, such as lags and differences:
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<li>
<strong>Lags</strong>: Add a negative lag order in square brackets to a variable. For example, the first lag of consumption is written as <code>C_s[-1]</code>, and the third lag as <code>C_s[-3]</code>. The package supports lags up to the fourth order, which is particularl