Getting highest value of past x candles for RSI

[oshriur]

Hey I'm fairly new developer in ninjascript. actually i started today.

I'm trying to convert an indicator I developed in pinescript.

xbars = input(90, title="Div lookback period (bars)?",group = "Dont Change")
hb = math.abs(ta.highestbars(rsi, xbars)) // Finds bar with highest value in last X bars
lb = math.abs(ta.lowestbars(rsi, xbars)) // Finds bar with lowest value in last X bars

this is the code in pinescript.
I have tried to do something similar but it throws an error...

double rsivalue = RSI(14, 3)[0];
Math.Abs(MAX(rsivalue, 90));

Anyone can provide me an insight on how to go around it?

[balltrader]

you are not assigning the output of the 2nd line to a variable.
try

double rsivalue_highest_90 = MAX(rsivalue, 90) ;

there is no need to do Absolute since RSI has a floor of 0

[oshriur]

you are not assigning the output of the 2nd line to a variable.
try

double rsivalue_highest_90 = MAX(rsivalue, 90) ;

there is no need to do Absolute since RSI has a floor of 0

it is still coming up with an error "argument 1: cannot convert from double to ninjatrader.ninjascript.iseries<double>"

[NinjaTrader_Jesse]

Hello oshriur,

The variable rsivalue is a single number which is type double in C#, that is a single decimal number.

The MAX indicator is expecting a series of many numbers which is known as a Series<double>. You cannot pass a single number to MAX.

To get the MAX of the RSI from a period you need to pass the RSI to the MAX indicator:

double maxRsi = MAX(RSI(14, 3), 90)[0];

https://ninjatrader.com/support/helpGuides/nt8/maximum_max.htm