Linear regression channel with alert

เมื่อวานlength:%20Number%20of%20bars%20used%20for%20the%20Linear%20Regression%20calculation.%0Amultiplier%3A%20Adjusts%20the%20width%20of%20the%20channel%20based%20on%20standard%20deviation.%0ALinear%20Regression%20Channel%3A%0Alrc%3A%20The%20central%20linear%20regression%20line.%0AupperChannel%20and%20lowerChannel%3A%20Calculated%20based%20on%20the%20standard%20deviation.%0AAlerts%3A%0AA%20buy%20signal%20is%20generated%20when%20the%20price%20crosses%20below%20the%20lower%20channel.%0AA%20sell%20signal%20is%20generated%20when%20the%20price%20crosses%20above%20the%20upper%20channel.