Polynomial regression: Difference between revisions

=={{header|Stata}}==

See '''[http://www.stata.com/help.cgi?fvvarlist Factor variables]''' in Stata help for explanations on the ''c.x##c.x'' syntax.

<lang stata>. clear all

. input x y

0 1

1 6

2 17

3 34

4 57

5 86

6 121

7 162

8 209

9 262

10 321

end

. regress y c.x##c.x

Source | SS df MS Number of obs = 11

-------------+---------------------------------- F(2, 8) = .

Model | 120362 2 60181 Prob > F = .

Residual | 0 8 0 R-squared = 1.0000

-------------+---------------------------------- Adj R-squared = 1.0000

Total | 120362 10 12036.2 Root MSE = 0

------------------------------------------------------------------------------

y | Coef. Std. Err. t P>|t| [95% Conf. Interval]

-------------+----------------------------------------------------------------

x | 2 . . . . .

|

c.x#c.x | 3 . . . . .

|

_cons | 1 . . . . .

------------------------------------------------------------------------------</lang>