compute var1 = t * t.
compute var2 = var1*t.
compute var3 = sqrt(var1).
compute var4 = t**(1/3).
compute var5 = 1/t.
compute var6 = 1/(t**2).
compute var7 = ln(t).
compute var8 = (ln(t))**2.
compute var9 = (ln(t))**3.
compute var10 = ln(h).
compute var11 = 1/(sqrt(t)).
TITLE"EQUATION 1".
REGRESSION VARIABLES = h t var1 var2/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 2".
REGRESSION VARIABLES = h t var1 / STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 3".
REGRESSION VARIABLES = h t var3 / STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 4".
REGRESSION VARIABLES = h t var1 / ORIGIN/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 5".
REGRESSION VARIABLES = h var3 t/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 6".
REGRESSION VARIABLES = h var3 t var1/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 7".
REGRESSION VARIABLES = h var4 t/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 8".
REGRESSION VARIABLES = h var4 var3 t/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 9".
REGRESSION VARIABLES = h t var5/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 10".
REGRESSION VARIABLES = h var5 var6/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 11".
REGRESSION VARIABLES = h var5/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 12".
REGRESSION VARIABLES = h var6/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 13".
REGRESSION VARIABLES = h t var7/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 14".
REGRESSION VARIABLES = h var7/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 15".
REGRESSION VARIABLES = h var7 var8/ STATISTICS = ALL/ DEPENDENT = h/
  METHOD = ENTER.
TITLE"EQUATION 16".
REGRESSION VARIABLES = var10 var7/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 17".
REGRESSION VARIABLES = var10 var7 var8/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 18".
REGRESSION VARIABLES = var10 var7 var9/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 19".
REGRESSION VARIABLES = var10 var5/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 20".
REGRESSION VARIABLES = var10 var5 var6/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 21".
REGRESSION VARIABLES = var10 var3 t/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 22".
REGRESSION VARIABLES = var10 var4 t/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 23".
REGRESSION VARIABLES = var10 var11/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 24".
REGRESSION VARIABLES = var10 t var11/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 25".
REGRESSION VARIABLES = var10 var7 var8/ ORIGIN/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 26".
REGRESSION VARIABLES = var10 var3 var5 var6/ STATISTICS = ALL/ DEPENDENT = var10/
  METHOD = ENTER.
TITLE"EQUATION 27".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 .
COMPUTE PRED_ = b1*(1-exp(-b2*t)).
NLR h /PRED PRED_.
TITLE"EQUATION 28".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_1 = b1*((1-exp((-b2*t))**b3)).
NLR h /PRED PRED_1 .
TITLE"EQUATION 29".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_2 = b1*(1-exp(-b2*(t**b3))).
NLR h /PRED PRED_2 .
TITLE"EQUATION 30".
* NONLINEAR REGRESSION.
MODEL PROGRAM b0=1 b1=1 b2=1 .
COMPUTE PRED_3 = (t**2)/(b0+b1*t+b2*(t**2)).
NLR h /PRED PRED_3 .
TITLE"EQUATION 31".
* NONLINEAR REGRESSION.
MODEL PROGRAM b0=1 b1=1 b2=1 .
COMPUTE PRED_4 = t/(b0+b1*t+b2*(t**2)).
NLR h /PRED PRED_4 .
TITLE"EQUATION 32".
* NONLINEAR REGRESSION.
MODEL PROGRAM b0=1 b1=1 .
COMPUTE PRED_5 = (t**2)/((b0+b1*t)**2).
NLR h /PRED PRED_5 .
TITLE"EQUATION 33".
* NONLINEAR REGRESSION.
MODEL PROGRAM b0=1 b1=1 .
COMPUTE PRED_6 = exp(b0+b1/t).
NLR h /PRED PRED_6 .
TITLE"EQUATION 34".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_7 = b1/(1+b2*exp(-b3*t)).
NLR h /PRED PRED_7 .
TITLE"EQUATION 35".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 .
COMPUTE PRED_8 = b1*exp(-b2/t).
NLR h /PRED PRED_8 .
TITLE"EQUATION 36".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_9 = b1*(1-b2*exp(-b3*t)).
NLR h /PRED PRED_9 .
TITLE"EQUATION 37".
* NONLINEAR REGRESSION.
MODEL PROGRAM b0=1 b1=1 b2=1 .
COMPUTE PRED_10 = b0+(b1*exp(b2*t)).
NLR h /PRED PRED_10 .
TITLE"EQUATION 38".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_11 = b1*exp(-b2/(t**b3)).
NLR h /PRED PRED_11 .
TITLE"EQUATION 39".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 .
COMPUTE PRED_12 = b1*exp(-b2*t).
NLR h /PRED PRED_12 .
TITLE"EQUATION 40".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_13 = b1*(1-exp((-b2/t)**b3)).
NLR h /PRED PRED_13 .
TITLE"EQUATION 41".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 b4=1 .
COMPUTE PRED_14 = b1/(1-b2*exp(-b3*(t**b4))).
NLR h /PRED PRED_14 .
TITLE"EQUATION 42".
* NONLINEAR REGRESSION.
MODEL PROGRAM b1=1 b2=1 b3=1 .
COMPUTE PRED_15 = b1*exp(-b2*exp(-b3*t)).
NLR h /PRED PRED_15 .
