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Hi All,
I'm new to Amibroker, and although I've programmed in nearly all of the
major third-generation languages, I'm wrestling a little with Amibroker
scripts. Maybe I'm just getting too old. The simple code below was meant
to confirm my notion of what I could do with subscripts. As AFL uses
zero-based subscripting, I filled a little array x[0] thru x[9]. But to my
dismay, I found STDEV() and MA() did not give me expected results at
subscript [9]. If I extend the array to x[10] and do a 10-bar STDEV() and
MA() -- subscripts [1] thru [10] -- my results are as expected (in subscript
[10]). Is there something I don't understand about [0] subscript?
Thanks for your help,
...Don
// Explore - test stdev on small array; set "n last days" to 1, select
current stock
Filter =1;
x[0]=10; x[1]=10; x[2]=10; x[3]=10; x[4]=10; x[5]=10; x[6]=10; x[7]=10;
x[8]=10; x[9]=10; x[10]=10;
SD10 = StDev(x,10);
Avg10 = MA(x,10);
AddColumn(x[0],"x",4.2);
AddColumn(SD10[10],"SD[10]",4.4);
AddColumn(Avg10[10],"Avg[10]",4.4);
AddColumn(SD10[9],"SD[9]",4.4);
AddColumn(Avg10[9],"Avg[9]",4.4);
Results:
x SD[10] Avg[10] SD[9] Avg[9]
10.00 0.0000 10.0000
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