PINE LIBRARY
已更新

CommonMarkup

Library "CommonMarkup"
Provides functions for chart markup, such as indicating recession bands.

markRecessionBands(showBands, lineY, labelY)
  Mark vertical bands and show recession band labels if argument showBands is true. Example "markRecessionBands(bar_index[0],3.0"
  Parameters:
    showBands: - show vertical recession bands when true. Functionally equiv to no op when false
    lineY: - y-axis value for line positioning
    labelY: - y-axis value for label positioning
return true - always answers the value of showBands
發行說明
Common markup lib v2. Changes as follows:
  • Added 2022 contraction over Q1 to Q2
  • Updated time refs to be UTC+0
發行說明
Minor cosmetic rendering updates
發行說明
v4 - minor display and formatting updates for readability
發行說明
v5
Added control parameter for defining if 2 consecutive quarters of negative GDP is considered a recession
Updated:
markRecessionBands(showBands, twoQrtsOfNegativeGDPIsRecession, lineY, labelY)
  Mark vertical bands and show recession band labels if argument showBands is true. Example "markRecessionBands(bar_index[0],3.0"
  Parameters:
    showBands: - show vertical recession bands when true. Functionally equiv to no op when false
    twoQrtsOfNegativeGDPIsRecession: - if true, then periods with two consecutive quarters of negative GDP is considered a recession. Defaut is false.
    lineY: - y-axis value for line positioning
    labelY: - y-axis value for label positioning
return true - always answers the value of showBands
發行說明
v6

Updated:
markRecessionBands(showBands, twoQrtsOfNegativeGDPIsRecession, labelY)
  Mark vertical bands and show recession band labels if argument showBands is true. Example "markRecessionBands(bar_index[0],false3.0)"
  Parameters:
    showBands (bool): - show vertical recession bands when true. Functionally equiv to no op when false
    twoQrtsOfNegativeGDPIsRecession (bool): - if true, then periods with two consecutive quarters of negative GDP are considered a recession. Defaut is false.
    labelY (float): - y-axis value for label positioning
return true - always answers the value of showBands
發行說明
v7
Updated:
  1. Resolved issue with private function for drawing recession bands scaling the y-axis excessively

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