Correlation Heatmap with Relative Strength

Why the error happened:
In Pine Script, strings are joined using +. My previous draft had a typo that looked like standard1 - "-" + standard2. The compiler saw the minus sign (-) and tried to do math on words, which is like trying to subtract "Apple" from "Banana." Replacing it with standard1 + "-" + standard2 fixes the ticker ID generation.
Would you like me to add a tooltip that explains how to read the Pearson correlation values for anyone who downloads your script?
In Pine Script, strings are joined using +. My previous draft had a typo that looked like standard1 - "-" + standard2. The compiler saw the minus sign (-) and tried to do math on words, which is like trying to subtract "Apple" from "Banana." Replacing it with standard1 + "-" + standard2 fixes the ticker ID generation.
Would you like me to add a tooltip that explains how to read the Pearson correlation values for anyone who downloads your script?
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Exención de responsabilidad
La información y las publicaciones no constituyen, ni deben considerarse como, asesoramiento o recomendaciones financieras, de inversión, de trading u otro tipo, proporcionadas o respaldadas por TradingView. Obtenga más información en Condiciones de uso.