@pagecount Number of pages in workfile.

@pageexist Does a page exist in the workfile.

@pagefreq Frequency specification for the workfile page .

@pageids Workfile page observation identifiers.

@pageidx Index vector of the specified observations.

@pageinidx Indicators for whether each observation in the workfile page is in an index.

@pagelist List of pages in workfile.

@pagename Name of active workfile page.

@pagerange Range specification of active workfile page.

@pagesmpl Sample specification in active workfile page.

@pagesmplidx Index vector of observations in the current sample.

@pc One-period percentage change (in percent).

@pca One-period percentage change, annualized (in percent).

@pccagr Annualized growth rate (in percent).

@pch One-period percentage change (in decimal fraction).

@pcha One-period percentage change, annualized (in decimal fraction).

@pchy One-year percentage change (in decimal fraction).

@pctiles Percentile values.

@pcy One-year percentage change, (in percent).

@periodtodate Within-period cumulative sum (period-to-date).

@permute Permutation of matrix.

@pinverse Moore-Penrose pseudo-inverse of matrix.

@pmax Pairwise maximum.

@pmin Pairwise minimum.

@pmt Payment amount required for annuity to pay given present value.

@pow Power function.

@pow1pm1 Power function of 1 plus argument, minus 1.

@powm1 Power function, minus 1.

@prod Product.

@psi First derivative of the natural log of the gamma function.

@pv Present value of annuity receipts and (optional) final lump sum receipt.