# Grace project file # @version 50004 @page size 792, 612 @page scroll 95% @page inout 5% @link page off @map font 0 to "Times-Roman", "Times-Roman" @map font 2 to "Times-Italic", "Times-Italic" @map font 1 to "Times-Bold", "Times-Bold" @map font 3 to "Times-BoldItalic", "Times-BoldItalic" @map font 4 to "Helvetica", "Helvetica" @map font 6 to "Helvetica-Oblique", "Helvetica-Oblique" @map font 5 to "Helvetica-Bold", "Helvetica-Bold" @map font 7 to "Helvetica-BoldOblique", "Helvetica-BoldOblique" @map font 8 to "Symbol", "Symbol" @map font 9 to "ZapfDingbats", "ZapfDingbats" @map color 0 to (255, 255, 255), "white" @map color 1 to (0, 0, 0), "black" @map color 2 to (255, 0, 0), "red" @map color 3 to (0, 255, 0), "green" @map color 4 to (0, 0, 255), "blue" @map color 5 to (255, 255, 0), "yellow" @map color 6 to (188, 143, 143), "brown" @map color 7 to (220, 220, 220), "grey" @map color 8 to (148, 0, 211), "violet" @map color 9 to (0, 255, 255), "cyan" @map color 10 to (255, 0, 255), "magenta" @map color 11 to (255, 165, 0), "orange" @map color 12 to (114, 33, 188), "indigo" @map color 13 to (103, 7, 72), "maroon" @map color 14 to (64, 224, 208), "turquoise" @map color 15 to (0, 139, 0), "green4" @reference date 0 @date wrap off @date wrap year 1950 @default linewidth 1.0 @default linestyle 1 @default color 1 @default pattern 1 @default font 2 @default char size 1.000000 @default symbol size 1.000000 @default sformat "%16.8g" @background color 0 @page background fill on @timestamp off @timestamp 0.03, 0.03 @timestamp color 1 @timestamp rot 0 @timestamp font 0 @timestamp char size 1.000000 @timestamp def "Sun Sep 12 01:52:41 1999" @with string @ string on @ string loctype view @ string 0.0776470588235, 0.339256865913 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "Non-linear curve fitting:" @with string @ string on @ string loctype view @ string 0.0776470588235, 0.306946688207 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "The function above is a sample from a logistic curve defined as" @with string @ string on @ string loctype view @ string 0.0776470588235, 0.273021001616 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "y=1/(1+exp(-(x-a0)/a1)) for x in [-10,20] with a0=5 and a1=3." @with string @ string on @ string loctype view @ string 0.0776470588235, 0.24071082391 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "To fit the parameters a0 and a1, open Data/Transformations/Non-linear" @with string @ string on @ string loctype view @ string 0.0776470588235, 0.208400646204 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "curve fitting. Enter items as requested, use initial guesses of a0=1 and" @with string @ string on @ string loctype view @ string 0.0776470588235, 0.176090468498 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "a1=1 - make sure the item '# of parameters' is 2. For the function," @with string @ string on @ string loctype view @ string 0.0776470588235, 0.143780290792 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "use the definition above i.e., y=1/(1+exp(-(x-a0)/a1))." @with string @ string on @ string loctype view @ string 0.0776470588235, 0.111450290792 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "Alternatively, from File/Open select 'logistic.fit'." @with string @ string on @ string loctype view @ string 0.077647058824, 0.07 @ string color 1 @ string rot 0 @ string font 4 @ string just 0 @ string char size 1.000000 @ string def "Use 'Edit/Load current fit' to see the initial guess. Press 'Apply'. Curves should coinside." @r0 type above @r0 linestyle 1 @r0 linewidth 1.0 @r0 color 1 @r0 line 0, 0, 0, 0 @r1 type above @r1 linestyle 1 @r1 linewidth 1.0 @r1 color 1 @r1 line 0, 0, 0, 0 @r2 type above @r2 linestyle 1 @r2 linewidth 1.0 @r2 color 1 @r2 line 0, 0, 0, 0 @r3 type above @r3 linestyle 1 @r3 linewidth 1.0 @r3 color 1 @r3 line 0, 0, 0, 0 @r4 type above @r4 linestyle 1 @r4 linewidth 1.0 @r4 color 1 @r4 line 0, 0, 0, 0 @g0 on @g0 hidden false @g0 type XY @g0 stacked false @g0 bar hgap 0.000000 @g0 fixedpoint off @g0 fixedpoint type 0 @g0 fixedpoint xy 0.000000, 0.000000 @g0 fixedpoint format general general @g0 fixedpoint prec 6, 6 @with g0 @ world xmin -10 @ world xmax 20 @ world ymin 0 @ world ymax 1 @ stack world 0, 0, 0, 0 @ view xmin 0.191361 @ view xmax 1.102756 @ view ymin 0.468498 @ view ymax 0.848142 @ title "" @ title font 4 @ title size 1.500000 @ title color 1 @ subtitle "" @ subtitle font 4 @ subtitle size 1.000000 @ subtitle color 1 @ xaxes scale Normal @ yaxes 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tick major linewidth 1.0 @ yaxis tick major linestyle 1 @ yaxis tick major grid off @ yaxis tick minor color 1 @ yaxis tick minor linewidth 1.0 @ yaxis tick minor linestyle 1 @ yaxis tick minor grid off @ yaxis tick minor size 0.500000 @ yaxis ticklabel on @ yaxis ticklabel prec 1 @ yaxis ticklabel format decimal @ yaxis ticklabel append "" @ yaxis ticklabel prepend "" @ yaxis ticklabel angle 0 @ yaxis ticklabel skip 0 @ yaxis ticklabel stagger 0 @ yaxis ticklabel place normal @ yaxis ticklabel offset auto @ yaxis ticklabel offset 0.000000 , 0.010000 @ yaxis ticklabel sign normal @ yaxis ticklabel start type auto @ yaxis ticklabel start 0.000000 @ yaxis ticklabel stop type auto @ yaxis ticklabel stop 0.000000 @ yaxis ticklabel char size 1.000000 @ yaxis ticklabel font 4 @ yaxis ticklabel color 1 @ yaxis tick place both @ yaxis ticklabel type auto @ yaxis tick type auto @ altxaxis off @ altyaxis off @ legend off @ legend loctype view @ legend x1 1.03529411765 @ legend y1 0.8 @ legend 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