The acronym OLS as pertaining to the field of statistics stands for Ordinary Least Squares, the standard linear regression procedure. This is the standard approach to overdetermined systems.
Ols-et-Rinhodes's population is 145.
The area of Ols-et-Rinhodes is 10.82 square kilometers.
OLS leads to a closed-form solution. The problems in other metrics such as L1 do not. Furthermore, the statistical theory for OLS is much richer than for other metrics in spite of the fact that OLS leads to difficulties in dealing with 'outliers'.
If you mean old , he was 18 yrs old but some people say he was 19
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21.(2010)