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Principal stratification is a statistical technique used in causal inference when adjusting results for post-treatment covariates. The idea is to identify underlying strata and then compute causal effects only within strata.
Principal (academia), the chief executive of a university Principal (education), the head of a school; Principal (civil service) or principal officer, the senior management level in the UK Civil Service; Principal dancer, the top rank in ballet; Principal (music), the top rank in an orchestra
A ledger [1] is a book or collection of accounts in which accounting transactions are recorded. Each account has: an opening or brought-forward balance; a list of transactions, each recorded as either a debit or credit in separate columns (usually with a counter-entry on another page) and an ending or closing, or carry-forward, balance.
The title of Principal Painter in Ordinary to the King or Queen of England or, later, Great Britain, was awarded to a number of artists, nearly all mainly portraitists. It was different from the role of Serjeant Painter , and similar to the earlier role of " King's Painter ".
Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.. The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
A Principal protected note (PPN) is an investment contract with a guaranteed rate of return of at least the amount invested, and a possible gain. Although traditional fixed income investments such as guaranteed investment certificates (GICs) and bonds provide investment security with little or no risk of capital loss, they provide modest returns.
The principal balance, in regard to a mortgage, loan, or other instrument of debt, is the amount due and owed to satisfy the payoff of an underlying obligation.It is distinct from, and does not include, interest or other charges.
Debt service funds are used to account for money that will be used to pay the interest and principal of long-term debts. Bonds used by a government to finance major construction projects, to be paid by tax levies over a period of years, require a debt service fund (sometimes titled as "interest and sinking fund") to account for their repayment.