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1.
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2.
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Select Analyze > Fit Y by X.
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3.
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4.
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5.
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Click OK.
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6.
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From the red triangle menu for Bivariate Fit, select Fit Special. The Specify Transformation or Constraint window appears. For a description of this window, see Fit Special.
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7.
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Within Y Transformation, select Natural Logarithm: log(y).
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8.
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Within X Transformation, select Square Root: sqrt(x).
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9.
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Click OK.
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Example of Fit Special Report shows the fitted line plotted on the original scale. The model appears to fit the data well, as the plotted line goes through the cloud of points.