Module Expr Str ImportFrom alias ClassDef bases AttributeLoad NameLoad attr body FunctionDef arguments args NameParam NameParam NameParam defaults body Assert CompareGt NameLoad Num Expr Call AttributeLoad Call NameLoad NameLoad NameLoad attr NameLoad Assign AttributeStore NameLoad attr NameLoad decorator_list FunctionDef arguments args NameParam defaults body Assign NameStore NameLoad If Call AttributeLoad NameLoad attr body Assign NameStore Call AttributeLoad Call AttributeLoad NameLoad attr attr keyword AttributeLoad NameLoad attr Return NameLoad decorator_list decorator_list ClassDef bases AttributeLoad NameLoad attr body Expr Str FunctionDef arguments args NameParam NameParam NameParam NameParam NameParam defaults Num NameLoad body Expr Call AttributeLoad Call NameLoad NameLoad NameLoad attr NameLoad Call NameLoad NameLoad NameLoad NameLoad decorator_list decorator_list ClassDef bases AttributeLoad NameLoad attr body FunctionDef arguments args NameParam NameParam NameParam defaults body Assert CompareGt NameLoad Num Expr Call AttributeLoad Call NameLoad NameLoad NameLoad attr NameLoad Assign AttributeStore NameLoad attr NameLoad decorator_list FunctionDef arguments args NameParam defaults body Assign NameStore NameLoad If Call AttributeLoad NameLoad attr body Assign NameStore Call AttributeLoad NameLoad attr Assign NameStore SubscriptLoad NameLoad Index Num Assign NameStore Call AttributeLoad NameLoad attr Assign NameStore Call AttributeLoad NameLoad attr keyword AttributeLoad NameLoad attr Assign NameStore BinOpDiv BinOpSub NameLoad NameLoad Call NameLoad NameLoad Return NameLoad decorator_list decorator_list ClassDef bases AttributeLoad NameLoad attr body Expr Str FunctionDef arguments args NameParam NameParam NameParam NameParam NameParam defaults Num NameLoad body Expr Call AttributeLoad Call NameLoad NameLoad NameLoad attr NameLoad Call NameLoad NameLoad NameLoad NameLoad decorator_list decorator_list
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.. moduleauthor:: Gabriel Martin Becedillas Ruiz <gabriel.becedillas@gmail.com>
 pyalgotrade technical StdDevEventWindow N/A N/A technical EventWindow N/A __init__ N/A N/A self period ddof N/A N/A N/A N/A period 0 N/A N/A N/A N/A super StdDevEventWindow self __init__ period N/A N/A self __ddof ddof N/A getValue N/A N/A self N/A N/A N/A ret None N/A N/A N/A self windowFull N/A N/A ret N/A N/A N/A N/A self getValues std ddof N/A self __ddof N/A ret N/A N/A StdDev N/A N/A technical EventBasedFilter N/A N/A Standard deviation filter.

    :param dataSeries: The DataSeries instance being filtered.
    :type dataSeries: :class:`pyalgotrade.dataseries.DataSeries`.
    :param period: The number of values to use to calculate the Standard deviation.
    :type period: int.
    :param ddof: Delta degrees of freedom.
    :type ddof: int.
    :param maxLen: The maximum number of values to hold.
        Once a bounded length is full, when new items are added, a corresponding number of items are discarded from the
        opposite end. If None then dataseries.DEFAULT_MAX_LEN is used.
    :type maxLen: int.
     __init__ N/A N/A self dataSeries period ddof maxLen N/A 0 None N/A N/A N/A N/A N/A super StdDev self __init__ dataSeries N/A StdDevEventWindow period ddof maxLen N/A N/A ZScoreEventWindow N/A N/A technical EventWindow N/A __init__ N/A N/A self period ddof N/A N/A N/A N/A period 1 N/A N/A N/A N/A super ZScoreEventWindow self __init__ period N/A N/A self __ddof ddof N/A getValue N/A N/A self N/A N/A N/A ret None N/A N/A N/A self windowFull N/A N/A values N/A N/A self getValues N/A lastValue N/A values N/A -1 N/A mean N/A N/A values mean N/A std N/A N/A values std ddof N/A self __ddof N/A ret N/A N/A lastValue mean N/A float std N/A ret N/A N/A ZScore N/A N/A technical EventBasedFilter N/A N/A Z-Score filter.

    :param dataSeries: The DataSeries instance being filtered.
    :type dataSeries: :class:`pyalgotrade.dataseries.DataSeries`.
    :param period: The number of values to use to calculate the Z-Score.
    :type period: int.
    :param ddof: Delta degrees of freedom to use for the standard deviation.
    :type ddof: int.
    :param maxLen: The maximum number of values to hold.
        Once a bounded length is full, when new items are added, a corresponding number of items are discarded from the
        opposite end. If None then dataseries.DEFAULT_MAX_LEN is used.
    :type maxLen: int.
     __init__ N/A N/A self dataSeries period ddof maxLen N/A 0 None N/A N/A N/A N/A N/A super ZScore self __init__ dataSeries N/A ZScoreEventWindow period ddof maxLen N/A N/A