# openpyxl.chart.error_bar module

class openpyxl.chart.error_bar.ErrorBars(errDir=None, errBarType='both', errValType='fixedVal', noEndCap=None, plus=None, minus=None, val=None, spPr=None, extLst=None)

  Bases: `Serialisable`

  direction

    Aliases can be used when either the desired attribute name is not allowed or confusing in Python (eg. “type”) or a more descriptive name is desired (eg. “underline” for “u”)

  errBarType

    Value must be one of [‘both’, ‘minus’, ‘plus’]

  errDir

    Value must be one of [‘x’, ‘y’]

  errValType

    Value must be one of [‘cust’, ‘fixedVal’, ‘percentage’, ‘stdDev’, ‘stdErr’]

  extLst

    Values must be of type <class ‘openpyxl.descriptors.excel.ExtensionList’>

  graphicalProperties

    Aliases can be used when either the desired attribute name is not allowed or confusing in Python (eg. “type”) or a more descriptive name is desired (eg. “underline” for “u”)

  minus

    Values must be of type <class ‘openpyxl.chart.data_source.NumDataSource’>

  noEndCap

    Values must be of type <class ‘bool’>

  plus

    Values must be of type <class ‘openpyxl.chart.data_source.NumDataSource’>

  size

    Aliases can be used when either the desired attribute name is not allowed or confusing in Python (eg. “type”) or a more descriptive name is desired (eg. “underline” for “u”)

  spPr

    Values must be of type <class ‘openpyxl.chart.shapes.GraphicalProperties’>

  style

    Aliases can be used when either the desired attribute name is not allowed or confusing in Python (eg. “type”) or a more descriptive name is desired (eg. “underline” for “u”)

  tagname = 'errBars'
  val

    Values must be of type <class ‘float’>