tmrank

swordfish.function.tmrank()

Return the rank of each element of X in a sliding window.

参数:

• T (Constant) -- A non-strictly increasing vector of temporal or integral type. It cannot contain null values.

• X (Constant) -- A vector of the same size as T.

• ascending (Constant) -- A Boolean value. The default value is true indicating the sorting direction is ascending.

• window (Constant) -- A scalar of positive integer or DURATION type indicating the size of the sliding window.

• ignoreNA (Constant, optional) -- A Boolean value indicating whether null values are ignored in ranking, by default DFLT.

• tiesMethod (Constant, optional) --

  A string indicating how to rank the group of records with the same value (i.e., ties), by default DFLT.

  • "min": lowest rank of the group

  • "max": highest rank of the group

  • "average": average rank of the group

• percent (Constant, optional) -- A Boolean value, indicating whether to display the returned rankings in percentile form, by default DFLT.