I'm new to programming in Pine Script language and I'm trying to combine the RSI indicator with the Nadaraya-Watson Envelope by LuxAlgo. The strategy basically is that when the price crosses the upper channel and the RSI indicates overbought, it creates a sell alert, and when the price crosses the lower channel and the RSI indicates oversold, it creates a buy alert. Specifically, where I'm having trouble is when I try to modify the conditional in the local scope to add the RSI, the variable "rsiBuy" and "rsiSell".
//@version=5
indicator("NWE by luxAlgo+RSI",overlay=true,max_bars_back=1000,max_lines_count=500,max_labels_count=500)
length = input.float(500,'Window Size',maxval=500,minval=0)
h = input.float(8.,'Bandwidth')
mult = input.float(3.)
src = input.source(close,'Source')
up_col = input.color(#39ff14,'Colors',inline='col')
dn_col = input.color(#ff1100,'',inline='col')
disclaimer = input(false, 'Hide Disclaimer')
//----
n = bar_index
var k = 2
var upper = array.new_line(0)
var lower = array.new_line(0)
//RSI-->
per_rsi = input.int(7, "Periodos RSI")
rsi_sc = input.int(70, "Sobrecompra")
rsi_sv = input.int(30, "Sobreventa")
rsi = ta.rsi(close, per_rsi)
plot(rsi, color = color.white)
h1 = hline(rsi_sc, color = color.gray)
h2 = hline(rsi_sv, color = color.gray)
fill(h1,h2, color = color.new(color.purple, 90))
rsiBuy = rsi < rsi_sv
rsiSell = rsi > rsi_sc
//<--RSI
lset(l,x1,y1,x2,y2,col)=>
line.set_xy1(l,x1,y1)
line.set_xy2(l,x2,y2)
line.set_color(l,col)
line.set_width(l,2)
if barstate.isfirst
for i = 0 to length/k-1
array.push(upper,line.new(na,na,na,na))
array.push(lower,line.new(na,na,na,na))
//----
line up = na
line dn = na
//----
cross_up = 0.
cross_dn = 0.
if barstate.islast
y = array.new_float(0)
sum_e = 0.
for i = 0 to length-1
sum = 0.
sumw = 0.
for j = 0 to length-1
w = math.exp(-(math.pow(i-j,2)/(h*h*2)))
sum += src[j]*w
sumw += w
y2 = sum/sumw
sum_e += math.abs(src[i] - y2)
array.push(y,y2)
mae = sum_e/length*mult
for i = 1 to length-1
y2 = array.get(y,i)
y1 = array.get(y,i-1)
up := array.get(upper,i/k)
dn := array.get(lower,i/k)
lset(up,n-i+1,y1 + mae,n-i,y2 + mae,up_col)
lset(dn,n-i+1,y1 - mae,n-i,y2 - mae,dn_col)
if src[i] > y1 + mae and src[i+1] < y1 + mae
label.new(n-i,src[i],'▼',color=#00000000,style=label.style_label_down,textcolor=dn_col,textalign=text.align_center)
if src[i] < y1 - mae and src[i+1] > y1 - mae
label.new(n-i,src[i],'▲',color=#00000000,style=label.style_label_up,textcolor=up_col,textalign=text.align_center)
cross_up := array.get(y,0) + mae
cross_dn := array.get(y,0) - mae
alertcondition(ta.crossover(src,cross_up),'Down','Down')
alertcondition(ta.crossunder(src,cross_dn),'Up','Up')
//----
var tb = table.new(position.top_right, 1, 1
, bgcolor = #35202b)
if barstate.isfirst and not disclaimer
table.cell(tb, 0, 0, 'Nadaraya-Watson Envelope [LUX] Repaints'
, text_size = size.small
, text_color = #cc2f3c)
I tried to modify the alertcondition at the end, but through trial and error, it seems that the conditional in the local scope is what actually generates the arrows, and that's where I'm stuck because I can't test it without being able to use the variables rsiBuy and rsiSell that were declared earlier.
