示例#1
0
 def _ewma(v):
     result = _tseries.ewma(v, com)
     first_index = _first_valid_index(v)
     result[first_index:first_index + min_periods] = NaN
     return result
示例#2
0
文件: moments.py 项目: JWCornV/pandas
 def _ewma(v):
     result = _tseries.ewma(v, com)
     first_index = _first_valid_index(v)
     result[first_index : first_index + min_periods] = NaN
     return result
示例#3
0
文件: moments.py 项目: PhE/pandas
 def _ewma(v):
     result = lib.ewma(v, com, int(adjust))
     first_index = _first_valid_index(v)
     result[first_index : first_index + min_periods] = NaN
     return result
示例#4
0
文件: moments.py 项目: mitya57/pandas
 def _ewma(v):
     result = lib.ewma(v, com, int(adjust))
     first_index = _first_valid_index(v)
     result[first_index : first_index + min_periods] = NaN
     return result