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Graham, nice tip. I never noticed favorites in help.
Gerard, believe it or not we are all very forgetful. I force myself to read through all the functions on a regular basis to remember what I can do with AFL.
It's not as much fun as reading the Sports Illustrated Swimsuit issue, but I suppose the idea is to learn the functions, to program the grail, to make the money, to afford the swimsuit models : ))))
Kind Regards,
GaryGraham <gkavanagh@xxxxxxxxxxxxx> wrote:
Gerard, the other way is to use the Favorites tab within the help files. Iuse this to go quickly to the AFL lists, AFL reference manual etcWhen you find a useful page, add it to your favourites listCheers,Grahamhttp://groups.msn.com/ASXShareTradinghttp://groups.msn.com/FMSAustralia -----Original Message-----From: Gerard Carey [mailto:gcfinance@xxxxxxxxxxx] Sent: Thursday, 27 November 2003 12:09 PMTo: AB Yahoo groupSubject: [amibroker] Newby...If You are as I...(you poor unfortunate)Friend,If you are as I, Challenged IQ-ally, Memorially, Mathematically, Conceptually, To name but a few, Well this may interest you. You see I was damn sick of wasting time finding info. Continually
hittingthe help button and ploughing thru page after page of the manual. Talk aboutfrustrating. Half the time I'd previously found what I was nowlooking for and not couldn't I remember it, I couldn't find it again! A flash of inspiration suggested I use Indicator Builder to create a readilyaccessible source of stuff I regularly use.What you see underneath is a straight copy & paste from an IB pane of minenamed A INFO (that name keeps it at the top of the Indicators list).In my custom A INFO indicator I keep easy to get at;AFL numbers of the colours I use.AFL numbers of the chart styles I use.AFL formuae I can copy/paste until I get to remember them.All Kinds of other guff I consider useful. This is all arranged in descending order of useability/complication, for methat is. I mean when is a drongo like me ever gunna use;_TRACE - print text to system debug viewer Yeah
right.I dump stuff when I am finally able to remember it.NB.PLEASE don't do a straight copy/paste of my file (I sure as hell wouldn'ttrust me to be correct), but create your own. Your needs will be different. REGDS GERARD// A INFO// COLOURS5=green 19=darkgreen 4=red 24=darkred 6=blue 21=darkBlue 7=yellow 1=black 2=white 25=orange 28=Teal 38=Violet // CHART STYLES1-line 4-thick 2-histogram 8-line with dots 16-no line 32-semi-log scale 64-candlestick 128-bar 256-styleNoDraw 512-staircase (square) 1024-middle dots for staircase 2048-norescale 4096-no value label
8192-point AND figure 16384-widehistogram 32768-styleOwnScale 65536-styleLeftAxisScale You can combine some styles but NOT all make sense, for example (64+1)(candlestick + line) will result in candlestick chart ( )// COPY / PASTE SAMPLES// To graph a (MA) Moving Average (6=Colour, 1=Chart style, see above)insert- Plot(MA(C,30),"ma",6,1); // To scan for a MA Crossover, insert- Buy=Cross(MA(Close,3),MA(Close,18));Sell=Cross(MA(Close,18),MA(Close,3));// To scan for an Indicator Cross, insert-Buy = Cross( RSI(), 30 );Sell = Cross( 70, RSI() );/*To add a Title, insert */ Title=Name()+ "Put name here";/*To increase the no of Graphs in a pane, insert */ MaxGraph=10; /*To squash graphs into Indicator pane, insert */ GraphXSpace=5;/*To add a Filter (Volume) to an Exploration,
insert */ Filter =Volume > 500000;/*To add a Column to AA Exploration RESULTS, insert */ AddColumn( Close,"Closing price", 1.4 );/*To add FULL NAMES to AA Exploration RESULTS, insert */ AddColumn(C,"C"); AddTextColumn(FullName(),"NAME");/*To put an Indicator on main price chart. Right click on price chart selectedit formula AND paste your formula on the very top line above the//--Indicator-End-- line. eg. */Plot( WMA( Close, 20 ), "WMA20", colorRed );/*To add a custom line to a graph, insert */ Plot(50,"My line",colorBlack);// AFL REFERENCE // INDICATORSAccDist - accumulation/distribution ADX - average directional movement index ATR - average True range BBandBot - bottom bollinger band BBandTop - top bollinger band
CCI - commodity channel index Chaikin - Chaikin oscillator MACD - moving average convergence/Divergence MDI - minus directional movement indicator (-DI) MFI - money flow index NVI - negative Volume index OBV - on balance Volume OscP - price oscillator OscV - Volume oscillator PDI - plus directional movement indicator PVI - positive Volume index RMI - Relative Momentum Index ROC - percentage rate of change RSI - relative strength index
RWI - Random walk index RWIHi - Random walk index of highs RWILo - Random walk index of lows SAR - parabolic stop-AND-reverse Signal - MACD Signal line StochD - stochastic slow %D StochK - stochastic slow %K Trix - triple exponential smoothed price Ultimate - Ultimate oscillator // MOVING AVERAGES, SUMMATIONMA - simple moving average EMA - exponential moving average DEMA - double exponential moving average TEMA - triple exponential moving average WMA - weighted moving average Wilders - Wilder's smoothingAMA - adaptive moving averageAMA2 - adaptive moving averageCum - cumulative
Sum Sum - Sum data over specified number of bars // EXPLORATION / INDICATOR BUILDERAddColumn - add numeric exploration column AddTextColumn - add text exploration column EncodeColor - encodes color for indicator Title GetChartID - get current chart ID Param - add user user-definable numeric parameter ParamColor - add user user-definable color parameterParamStr - add user user-definable string parameter Plot - Plot indicator graph PlotGrid - Plot horizontal grid line PlotOHLC - Plot custom OHLC chart PlotShapes - plots arrows AND other shapes PlotVAPOverlay - Plot Volume-At-Price overlay chart
SelectedValue - retrieves value of the array at currently selectedDate/time point WriteIf - commentary conditional text output WriteVal - write number OR value of the array _N - no text output // COMPOSITESAddToComposite - add value to composite ticker ADLine - advance/decline line AdvIssues - advancing issues AdvVolume - advancing issues Volume DecIssues - declining issues DecVolume - declining issues Volume Trin - traders (Arms) index UncIssues - unchanged issues UncVolume - unchaged issues Volume // REFERENCING OTHER SYMBOL
DATAForeign - access Foreign security data GetBaseIndex - retrieves symbol of relative strength base index PlotForeign - Plot Foreign security data RelStrength - comparative relative strength // LOWEST/HIGHESTHHV - Highest High value HHVBars - bars since Highest High Highest - Highest value HighestBars - bars since Highest value HighestSince - Highest value since condition met HighestSinceBars - bars since Highest value since condition met LLV - Lowest Low value LLVBars - bars since Lowest Low Lowest - Lowest value
LowestBars - bars since Lowest LowestSince - Lowest value since condition met LowestSinceBars - BarsSince Lowest value since condition met // BASIC PRICE PATTERN DETECTIONGapDown - gap down GapUp - gap up Inside - Inside Day Outside - Outside bar Peak - Peak PeakBars - bars since Peak Trough -TroughTroughBars - bars since Trough Zig-zag indicator // INFORMATION/CATEGORIESFullName - full Name of the symbolGetCategorySymbols - retrieves comma-separated list of symbols belonging togiven category (AFL 2.4) GetDatabaseName - retrieves folder Name of current database
GroupID - get group ID/Name IndustryID - get industry ID / NameInWatchList - watch list membership test MarketID - market ID / Name Name - ticker symbol SectorID - get sector ID / Name// DATE/TIMEBarIndex - get zero-based bar numberBeginValue - Value of the array at the begin of the range Date - Date DateNum - Date number DateTime - retrieves encoded Date time Day - Day of Month DayOfWeek - Day of week DayOfYear - get ordinal number of Day in A Year EndValue - value of the array at the begin of the selected range
Hour - get current bar's Hour Interval - get bar Interval (in seconds) Minute - get current bar's Minute Month - Month Now - gets current system Date/time Second - get current bar's Second TimeNum - get current bar time Year - Year // MATH FUNCTIONSabs - absolute value atan - arc tan ceil - ceil value cos - cosine exp - exponential function floor - floor value frac - fractional part int - integer part
log - natural logarithm log10 - decimal logarithm Max - maximum value of two numbers / arrays Min - minimum value of two numbers / arrays Prec - adjust number of decimal points of floating point number round - round number to nearest integer sin - sine function sqrt - square root // STATISTICAL FUNCTIONSCorrelation - Correlation LinearReg - linear regression end-point LinRegIntercept - LinRegSlope - linear regression slopeRandom - Random number StdErr - standard error StDev - standard deviationTSF - time series forecast // STRING MANIPULATIONStrExtract - extracts given item (substring) from comma-separated string StrLeft - extracts the leftmost part
StrLen - string length StrMid - extracts part of the string StrRight - extracts the rightmost part of the string // TRADING SYSTEM TOOLBOXAlertIf - trigger alerts ApplyStop - apply built-in stop BarsSince - bars since Cross - crossover check Equity - calculate Equity line ExRem - remove excessive signals ExRemSpan - remove excessive signals spanning given number of bars Flip - (AFL 1.5) Hold - Hold the alert Signal IIf - immediate if function LastValue - last value of the array Optimize - define optimization variable Ref - reference past/future values of the array
SetOption - sets options in automatic analysis settings SetTradeDelays - allows to control trade delays applied by the backtester ValueWhen - get value of the array when condition met // MISCELLANEOUS FUNCTIONS#include - preprocessor include command #pragma - sets AFL pre-processor option CreateObject - create COM object CreateStaticObject - create static COM object EnableScript - enable scripting engine EnableTextOutput - enables/disables text output in the Chart Commentarywindow GetExtraData - get extra data from external data source GetScriptObject - get access to script COM object IsEmpty - empty value check
IsFinite - check if value is NOT infinite IsNan - checks for NaN (NOT A number) IsNull - check for Null (empty) value IsTrue - True value (non-empty AND non-zero) check Nz - Null (Null/Nan/Infinity) to zero Prefs - retrieve preferences settings SetBarsRequired - set number of previous AND future bars needed forscript/DLL to properly execute Status - get run-time AFL Status information Study - reference hand-drawn Study Version - get Version info _TRACE - print text to system debug viewer /* Gerard CareyLast altered: 12th Nov 2003 *//*xxxx end xxxx*/-- <A
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