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Is there any workaround for arrays in Pine Script

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1

Arrays are not available in PineScript.

Is there any workaround? Has anyone developed a code, which works as array?

What do I need it for? I would like to count number of touches to each trendline or S/R level.

pine-script

share|improve this question

edited Mar 24 at 15:33

PeterO

asked Mar 23 at 0:55

PeterOPeterO

63

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Unfortunately, I have not seen any workarounds for arrays. However, it is possible to implement a counter if that’s what you need. If you show me some code regarding how you get the trendline or S/R levels, I can help you with that.
  
  – Baris Yakut
  Mar 23 at 7:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. So this is the code for S/R levels. Ideally I would like to have an array of these with a counter of touches with those lines. tradingview.com/script/JwWWwZOD-RSI-MTF-by-PeterO
  
  – PeterO
  Mar 23 at 12:15
  
  

  
  
  
  

add a comment | 

1

Arrays are not available in PineScript.

Is there any workaround? Has anyone developed a code, which works as array?

What do I need it for? I would like to count number of touches to each trendline or S/R level.

pine-script

share|improve this question

edited Mar 24 at 15:33

PeterO

asked Mar 23 at 0:55

PeterOPeterO

63

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Unfortunately, I have not seen any workarounds for arrays. However, it is possible to implement a counter if that’s what you need. If you show me some code regarding how you get the trendline or S/R levels, I can help you with that.
  
  – Baris Yakut
  Mar 23 at 7:30
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. So this is the code for S/R levels. Ideally I would like to have an array of these with a counter of touches with those lines. tradingview.com/script/JwWWwZOD-RSI-MTF-by-PeterO
  
  – PeterO
  Mar 23 at 12:15
  
  

  
  
  
  

add a comment | 

Arrays are not available in PineScript.

Is there any workaround? Has anyone developed a code, which works as array?

What do I need it for? I would like to count number of touches to each trendline or S/R level.

pine-script

share|improve this question

edited Mar 24 at 15:33

PeterO

asked Mar 23 at 0:55

PeterOPeterO

63

share|improve this question

edited Mar 24 at 15:33

PeterO

asked Mar 23 at 0:55

PeterOPeterO

63

share|improve this question

edited Mar 24 at 15:33

PeterO

asked Mar 23 at 0:55

PeterOPeterO

63

asked Mar 23 at 0:55

PeterOPeterO

63

asked Mar 23 at 0:55

PeterOPeterO

63

1 Answer
1

active

oldest

votes

0

To implement a counter, you can create a variable and then modify its value by using the History Referencing Operator [].

Below example counts number of crossover/crossunder occurrences in a typical rsi diagram.

//@version=3
study("counter", overlay=false)

rsi_max = 70
rsi_min = 30

cnt_up = 0
cnt_dwn = 0

cnt_up := crossover(rsi(close, 14), rsi_max) ? nz(cnt_up[1]) + 1 : nz(cnt_up[1])
cnt_dwn := crossunder(rsi(close, 14), rsi_min) ? nz(cnt_dwn[1]) + 1 : nz(cnt_dwn[1])

plot(rsi(close, 14), color=orange, title='RSI')
plot(series=cnt_up, title="Up counter", color=green)
plot(series=cnt_dwn, title="Down counter", color=red)

band0 = hline(30)
band1 = hline(70)
fill(band1, band0, color=purple, transp=90)

Green line is the "cnt_up" in my example. After that point, rsi line crosses over the "overbought" zone 7 more times.

And here, you can see that "cnt_up" indeed counted up 7 times.

Unfortunately, this is all you can do.

share|improve this answer

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks Baris. Yes, I knew how to do the counter. The challenge with counting touches to S/R levels is that there can be multiple S/R levels and we don't know how many of them and the goal is to add counter to each of them. As far as I know, this is where arrays come in handy. But like we said - there is no native implementation of arrays and this might be the reason why I'll have to learn another language to code this.
  
  – PeterO
  Mar 25 at 10:04
  

  
  
  
  

add a comment | 

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0

To implement a counter, you can create a variable and then modify its value by using the History Referencing Operator [].

Below example counts number of crossover/crossunder occurrences in a typical rsi diagram.

//@version=3
study("counter", overlay=false)

rsi_max = 70
rsi_min = 30

cnt_up = 0
cnt_dwn = 0

cnt_up := crossover(rsi(close, 14), rsi_max) ? nz(cnt_up[1]) + 1 : nz(cnt_up[1])
cnt_dwn := crossunder(rsi(close, 14), rsi_min) ? nz(cnt_dwn[1]) + 1 : nz(cnt_dwn[1])

plot(rsi(close, 14), color=orange, title='RSI')
plot(series=cnt_up, title="Up counter", color=green)
plot(series=cnt_dwn, title="Down counter", color=red)

band0 = hline(30)
band1 = hline(70)
fill(band1, band0, color=purple, transp=90)

Green line is the "cnt_up" in my example. After that point, rsi line crosses over the "overbought" zone 7 more times.

And here, you can see that "cnt_up" indeed counted up 7 times.

Unfortunately, this is all you can do.

share|improve this answer

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks Baris. Yes, I knew how to do the counter. The challenge with counting touches to S/R levels is that there can be multiple S/R levels and we don't know how many of them and the goal is to add counter to each of them. As far as I know, this is where arrays come in handy. But like we said - there is no native implementation of arrays and this might be the reason why I'll have to learn another language to code this.
  
  – PeterO
  Mar 25 at 10:04
  

  
  
  
  

add a comment | 

0

To implement a counter, you can create a variable and then modify its value by using the History Referencing Operator [].

Below example counts number of crossover/crossunder occurrences in a typical rsi diagram.

//@version=3
study("counter", overlay=false)

rsi_max = 70
rsi_min = 30

cnt_up = 0
cnt_dwn = 0

cnt_up := crossover(rsi(close, 14), rsi_max) ? nz(cnt_up[1]) + 1 : nz(cnt_up[1])
cnt_dwn := crossunder(rsi(close, 14), rsi_min) ? nz(cnt_dwn[1]) + 1 : nz(cnt_dwn[1])

plot(rsi(close, 14), color=orange, title='RSI')
plot(series=cnt_up, title="Up counter", color=green)
plot(series=cnt_dwn, title="Down counter", color=red)

band0 = hline(30)
band1 = hline(70)
fill(band1, band0, color=purple, transp=90)

Green line is the "cnt_up" in my example. After that point, rsi line crosses over the "overbought" zone 7 more times.

And here, you can see that "cnt_up" indeed counted up 7 times.

Unfortunately, this is all you can do.

share|improve this answer

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks Baris. Yes, I knew how to do the counter. The challenge with counting touches to S/R levels is that there can be multiple S/R levels and we don't know how many of them and the goal is to add counter to each of them. As far as I know, this is where arrays come in handy. But like we said - there is no native implementation of arrays and this might be the reason why I'll have to learn another language to code this.
  
  – PeterO
  Mar 25 at 10:04
  

  
  
  
  

add a comment | 

To implement a counter, you can create a variable and then modify its value by using the History Referencing Operator [].

Below example counts number of crossover/crossunder occurrences in a typical rsi diagram.

//@version=3
study("counter", overlay=false)

rsi_max = 70
rsi_min = 30

cnt_up = 0
cnt_dwn = 0

cnt_up := crossover(rsi(close, 14), rsi_max) ? nz(cnt_up[1]) + 1 : nz(cnt_up[1])
cnt_dwn := crossunder(rsi(close, 14), rsi_min) ? nz(cnt_dwn[1]) + 1 : nz(cnt_dwn[1])

plot(rsi(close, 14), color=orange, title='RSI')
plot(series=cnt_up, title="Up counter", color=green)
plot(series=cnt_dwn, title="Down counter", color=red)

band0 = hline(30)
band1 = hline(70)
fill(band1, band0, color=purple, transp=90)

Green line is the "cnt_up" in my example. After that point, rsi line crosses over the "overbought" zone 7 more times.

And here, you can see that "cnt_up" indeed counted up 7 times.

Unfortunately, this is all you can do.

share|improve this answer

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

//@version=3
study("counter", overlay=false)

rsi_max = 70
rsi_min = 30

cnt_up = 0
cnt_dwn = 0

cnt_up := crossover(rsi(close, 14), rsi_max) ? nz(cnt_up[1]) + 1 : nz(cnt_up[1])
cnt_dwn := crossunder(rsi(close, 14), rsi_min) ? nz(cnt_dwn[1]) + 1 : nz(cnt_dwn[1])

plot(rsi(close, 14), color=orange, title='RSI')
plot(series=cnt_up, title="Up counter", color=green)
plot(series=cnt_dwn, title="Down counter", color=red)

band0 = hline(30)
band1 = hline(70)
fill(band1, band0, color=purple, transp=90)

share|improve this answer

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412

answered Mar 25 at 6:09

Baris YakutBaris Yakut

6161412