Smooth Rsi Buy for Amibroker (AFL)

_SECTION_BEGIN("RSI");
Plot (EMA (RSI(7),5), "SmoothRSI", colorRed);
Plot (EMA (RSI(21),5), "Signal", colorBlue);
Plot (50, "", colorBlack, styleDashed, styleNoLabel);
Plot (30, "", colorDarkGreen,  styleNoLabel);
Plot (70, "", colorDarkGreen,  styleNoLabel);

Buy=Cross( EMA (RSI(7),5), EMA (RSI(21),5)) AND EMA(V,20) >=50000;

Filter =EMA (V, 20) >=50000;

AddColumn(Close,"Close",1.2);
AddColumn(Volume,"Volume",1.0);
AddColumn( RSI(), "RSI", 1.2 );
AddColumn( ROC( Close, 15 ), "ROC(15)", 1.2 );
AddColumn( MFI(), "MFI", 1.2 );
AddColumn( OBV(), "OBV", 1.2 );
AddColumn( CCI(), "CCI", 1.2 );
AddColumn( Ultimate(), "Ultimate", 1.4 );
_SECTION_END();