Browsing Acta Universitatis Lodziensis. Folia Oeconomica nr 141/1997 by Subject "intra group spread"
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(Wydawnictwo Uniwersytetu Łódzkiego, 1997)The trend of time series can change its direction. It is assumed that the time interval is divided into subintervals where the trend is given as particular linear function. The problem is how to divide the observation ...