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Dynamic number of input variables?

BlueRaven

New member
I don't' know if it's possible with thinkscript or not... but I would like to have a dynamic amount of input variables....

A simple example would be one study with an adjustable amount of moving averages... It could either let me select how many I want displayed... or it would just add one more each time I filled one in...

So it would only display the input for length for however many MA's I wanted at a time. If I want one MA it only has one input for length... but if I want 10 MA's then it has 10 inputs for length...
 
I don't' know if it's possible with thinkscript or not... but I would like to have a dynamic amount of input variables....

A simple example would be one study with an adjustable amount of moving averages... It could either let me select how many I want displayed... or it would just add one more each time I filled one in...

So it would only display the input for length for however many MA's I wanted at a time. If I want one MA it only has one input for length... but if I want 10 MA's then it has 10 inputs for length...

TOS requires a plot for each moving average in your example and a separate input for length for each plot, making your idea near impossible. Nevertheless, here is one way to do something close to what you are requesting. You can choose however many predefined plots you want displayed. You could adjust the lengths and could have variables for price and average type for each ( in the code the later two are set to apply to all). In the code below the input display is set to 2 and the first 2 moving averages will plot but not the third one. You can add as many predefined plots as you want.

Ruby:
input display = 2;
input length1 = 8;
input length2 = 13;
input length3 = 21;
input price   = close;
input avgtype = averageType.EXPONENTIAL;
plot ma1 = if display < 1 then double.nan else movingAverage(avgtype, price, length1);
plot ma2 = if display < 2 then double.nan else movingAverage(avgtype, price, length2);
plot ma3 = if display < 3 then double.nan else movingAverage(avgtype, price, length3);
 

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Hmmm... yeah I was afraid of this...

I'm really trying to limit the number of inputs shown on the options panel of the study to only what is needed at the time... I'm not doing MA's, it was just an easy example.
 
Hmmm... yeah I was afraid of this...

I'm really trying to limit the number of inputs shown on the options panel of the study to only what is needed at the time... I'm not doing MA's, it was just an easy example.

You can look up the 'script' and 'switch' functions to see if they miight work for your purposes. They are useful in limiting studies.
 
You can look up the 'script' and 'switch' functions to see if they miight work for your purposes. They are useful in limiting studies.
I'd never looked at the "script" function before... seems to just be a "function" function common in other languages... but it seems rather limited....

I've tried a couple things but haven't gotten anywhere with changing the number of inputs dynamically on the options panel...
 
Did you ever end up finding a suitable solution? I have a similar problem and have not had any luck with the "script" function. Is there any helpful guidance on the "script" function that anyone would suggest? Nothing I have found has worked.
 
Did you ever end up finding a suitable solution? I have a similar problem and have not had any luck with the "script" function. Is there any helpful guidance on the "script" function that anyone would suggest? Nothing I have found has worked.

what is it you are trying to do?
post the codes you have tried, in a code window.


you have to set up the max quantity of variables & plots that might be used. then compare a variable to determine if it is valid data. if not, don't plot it.

an example, this has 8 inputs, but only plots those with valid prices.
https://usethinkscript.com/threads/...ative-strength-against-spy.12637/#post-113662


info on script()
https://usethinkscript.com/threads/user-defined-function-udf.13414/#post-112610
 
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