:statistics, data, data 2d, 2d data,
data plot, 2d data plot, plot data, scatter plot, linear regression,
regression, quadratic regression,
correlation, correlation coefficients, covariance, variance,
linear correlation

:size, 650x480
datatype, 2D data
picturesize, 300x200
precision, 8

:operation, Plot
operation, Correlation Coefficients
operation, Linear Regression
operation, Quadratic Regression

:<td style="text-align:center;">2D data analysis<br>
 <textarea COLS=35 ROWS=6 name="formula">(1,1),(2,1),(1.5,3),(1.1,2)
(2.8,3), (2.1, 1.5),
(2.5, 4), (2.7, 1.2), (2.4, 5)</textarea></td>
  <td style="text-align:center;" VALIGN=TOP rowspan=2 NOWRAP>
  $submit1
  <br>$submit2
  <br>$submit3
  <br>$submit4
  <br>
  <input type="CHECKBOX" name="option" value="exchange"> Exchange x and y
  <tr><td colspan=2 ALIGN=LEFT>
  <SMALL>Data format: <br>
  <TT>x<sub>1</sub>, y<sub>1</sub>; x<sub>2</sub>, y<sub>2</sub>; ...</TT> or <br>
  <TT>(x<sub>1</sub>, y<sub>1</sub>), (x<sub>2</sub>, y<sub>2</sub>), ...</TT> or <br>
  <TT>x<sub>1</sub> y<sub>1</sub>, x<sub>2</sub> y<sub>2</sub>, ...</TT></SMALL>
