_SECTION_BEGIN("R2");

/* System Based on R2 Indiator - Karthikmarar

Indicator Adopted from Amibroker AFL Library */

/*To determine if the trend is statistically significant for a given x-period

linear regression line, Plot the r-squared indicator and refer to the following

table. This table shows the values of r-squared required for A 95% confidence

level at various time periods. If the r-squared value is less than the

critical values shown, you should assume that prices show no statistically

significant trend.

Number ofPeriods r-squaredCritical Value(95%confidence)

5 0.77

10 0.40

14 0.27

20 0.20

25 0.16

30 0.13

50 0.08

60 0.06

120 0.03

*/

Title = ("R2 SYSTEM - " + Name()+" " + Date() +" "+Interval(2) +" "+ EncodeColor(colorLime)+",Open "+Open +" ,High "+H+" ,Low "+L+" ,Close "+C+" "+"{{VALUES}}");

s1=Param("Filter Tune 1",0.5,0.1,1,0.1);

s2=Param("Filter Tune 2",2,1,3,0.5);

RPDS=ParamList("R2 Period", "20|25|14|5|10|30|50|60|120" ); /*for automatic adjustments to the r2 critical value line use one of

//the periods listed above*/

R2PDS=IIf(rpds=="5",5,IIf(rpds=="10",10,IIf(rpds=="14",14,IIf(rpds=="20",20,IIf(rpds=="25",25,IIf(rpds=="30",30,IIf(rpds=="50",50,IIf(rpds=="60",60,120))))))));

R2=Correlation(Cum( 1 ),C,r2pds)*Correlation(Cum( 1 ),C,r2pds);

slope=LinRegSlope(C,r2pds);

Crit=IIf(R2PDS==5,.77,IIf(R2PDS==10,.40,IIf(R2PDS==14,.27,IIf(R2PDS==20,.20,IIf(R2PDS==25,.16,IIf(R2PDS==30,.13,IIf(R2PDS==50,.08,IIf(R2PDS==60,.06,IIf(R2PDS==120,.03,0)))))))));

r2color=IIf(r2>(s2*Crit) AND slope>s1,colorLime,IIf(slope>0 AND r2<s2*Crit , colorPaleGreen,IIf(slope<0 AND r2<crit, colorPink,colorRed)));

// Buy sell condition

Buy=(Cross(slope,s1) AND r2>s2*Crit )OR (slope>s1 AND Cross(r2,(s2*Crit)));

Sell=Cross(0,slope) OR (Cross(Crit,r2) AND slope<0);

Short= Cross(r2,Crit) AND slope<-s1;

Cover= Cross(slope,0);

Buy=ExRem(Buy,Sell);

Sell=ExRem(Sell,Buy);

Short=ExRem(Short,Cover);

Cover=ExRem(Cover,Short);

PlotOHLC( Open, High, Low, Close, "", r2color, styleBar | styleThick );

shape = Buy * shapeUpArrow + Sell * shapeDownArrow + Short * shapeDownTriangle + Cover * shapeUpTriangle;

PlotShapes( shape, IIf( Buy, colorGreen, IIf(Sell,colorYellow,IIf(Cover,colorLightOrange,colorRed ))),0, IIf( Buy, Low, IIf(Sell,High,IIf(Cover,Low,High) ) ) );

GraphXSpace = 5;

dist = 1.5*ATR(10);

for( i = 0; i < BarCount; i++ )

{

if( Buy* ) PlotText( "Buy\n@" + C[ i ], i, L[ i ]-dist**, colorGreen ); *

if( Sell* ) PlotText( "Sell\n@" + C[ i ], i, H[ i ]+dist**, colorYellow); *

if( Short* ) PlotText( "Short\n@" + C[ i ], i, H[ i ]+dist**, colorRed); *

if( Cover* ) PlotText( "cover\n@" + C[ i ], i, H[ i ]-dist**, colorLightOrange); *

}

_SECTION_END();

_SECTION_BEGIN("HH");

Q = Param( "% Change", 2, 0.1, 10, 0.1 );

Z = Zig( C , q ) ;

HH = ( ( Z < Ref( Z, -1 ) AND Ref( Z, -1 ) > Ref( Z, -2 ) ) AND (Peak( z, q, 1 ) > Peak( Z, q, 2 ) ) );

LH = ( ( Z < Ref( Z, -1 ) AND Ref( Z, -1 ) > Ref( Z, -2 ) ) AND (Peak( Z, q, 1 ) < Peak( Z, q, 2 ) ) );

HL = ( ( Z > Ref( Z, -1 ) AND Ref( Z, -1 ) < Ref( Z, -2 ) ) AND (Trough( Z, q, 1 ) > Trough( Z, q, 2 ) ) );

LL = ( ( Z > Ref( Z, -1 ) AND Ref( Z, -1 ) < Ref( Z, -2 ) ) AND (Trough( Z, q, 1 ) < Trough( Z, q, 2 ) ) );

GraphXSpace = 5;

dist = 0.5 * ATR( 20 );

for ( i = 0; i < BarCount; i++ )

{

if ( HH* )*

PlotText( "HH", i, H[ i ] + dist*, colorRed );*

if ( LH* )*

PlotText( "LH", i, H[ i ] + dist*, colorRed );*

if ( HL* )*

PlotText( "HL", i, L[ i ] - dist*, colorBrightGreen );*

if ( LL* )*

PlotText( "LL", i, L[ i ] - dist*, colorBrightGreen );*

}

Filter=HH OR HL OR LH OR LL;

AddColumn(RSI(2),"RSI",1.2);

AddColumn(Close,"PRICE",1.2);

AddColumn(HH,"SHORT");

AddColumn(LH,"LH");

AddColumn(HL,"HL");

AddColumn(LL,"COVER");

AddColumn(V,"volume",1.0);

_SECTION_END();

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