請問那裡可找到各指標詳細的運算方式?

tusa

請問各位那裡可找到詳細的運算方式?
如: MA( P, Periods ) 詳細運算等如: ma = Sum(C,Period)/period;
很想像Multicharts內建的Functions, 便知CCI, SAR等等的相關計法...

takashi888

孤狗大神什麼都會跟你說~

soumont

Multicharts內建的公式可以看語法
PTT股版精華區
不然google你要查的公式就有了

mead

http://justdata.yuanta.com.tw/z/analyst/analyst1.htm
這邊有您要的

Acer2266

http://help.tradestation.com/09_ ... radestationhelp.htm

上面的可以滿足你 MC 應該和 TS 是一樣的

joshsmi

Guys, what's all that easy language junk gotta do with AB?

MA calculation using loop compared to built-in MA

1. function cMA( array, maperiod ) {
   
2.     // set null values at the beginning of the array
   
3.     for ( i = 0; i < maPeriod - 1 && i < BarCount; i++ )
   
4.         myMa[i] = Null;
   
5.     // calculate the average for each bar
   
6.     for ( i = maPeriod - 1; i < BarCount; i++ ) {
   
7.         // clear temporary result
   
8.         tempSum = 0;
   
9.         // inner loop to sum bar data  
   
10.         for ( j = 0; j < maPeriod; j++ )
    
11.             tempSum += array[i - j];
    
12.         // save calculated value to result array element
    
13.         myMa[i] = tempSum / maPeriod;
    
14.     }
    
15.     // returning result
    
16.     return myMa;
    
17. }
    
18. 
    
19. P = ParamField( "Price field", -1 );
    
20. Periods = Param( "Periods", 15, 2, 1000, 1, 10 );
    
21. Plot( cMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
    
22. Plot( MA( P, Periods ), "Built-in MA", ColorRed, styleLine );
    

複製代碼

joshsmi

Another way using Ref

1. function cMA( array, maperiod ) {
   
2.     total = 0;
   
3.     for ( n = 0; n < maperiod && n < BarCount; n++ ) {
   
4.         total += Ref( array, -n );
   
5.     }
   
6.     return total / maperiod;   
   
7. }
   
8. P = ParamField( "Price field", -1 );
   
9. Periods = Param( "Periods", 15, 2, 1000, 1, 10 );
   
10. Plot( cMA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
    
11. Plot( MA( P, Periods ), "Built-in MA", ColorRed, styleLine );

複製代碼

joshsmi

built-in RSi calculation
http://www.amibroker.com/guide/afl/rsi.html

joshsmi

To calculate other indicators see stockcharts.com

http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:commodity_channel_index_cci
http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:parabolic_sar
etc.

tusa

謝謝大家幫忙. ^^
我正用MC, 但覺得AB任何功能也比MC較適合我...
只是AB編程較複雜, 努力學習中.

joshsmi

If you find it complex than you haven't had any programming experience at all so far.

It is as simple as going from one side of the street to the other side a street on a day where there is no traffic at all.

Yes, AB is more powerful than MC. And yes, MC developers are amateurs who can't even get simple mathematical operations done right being taught in elementary school.

tusa

joshsmi 發表於 15-2-3 01:05
If you find it complex than you haven't had any programming experience at all so far.

It is as simp ...

多謝大大的教導.  對, 我編程經驗很淺.  但又不想只用已內建起的指標, 因想可隨時像MC修改自己參數.
MC簡單在已有各指標的運算公式,......但AB沒有 T_T...

不過AB好像各運算公式也多用FUNCTION這個而得出各日線棒的數值, 再把它PLOT圖像化.
...唯有繼續摸索, 可以的話, 那裡有常用的指標公式作學習?  請指導.