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ПРОГНОСТИЧКЕ МЕТОДЕ

ПРОГНОСТИЧКЕ МЕТОДЕ. ЛИНЕАРНИ ТРЕНД. LINEST Y = a + b*t TREND t – вредности R – коефицијент детерминације. ПАРАБОЛИЧНИ ТРЕНД. LINEST Y = a + b*t +c*t ^2 t – вредности R – коефицијент детерминације. НЕЛИНЕАРНИ ТРЕНД. LOGEST Y = a* b ^t lnY = ln a + t ln b y = A + t * B

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ПРОГНОСТИЧКЕ МЕТОДЕ

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  1. ПРОГНОСТИЧКЕ МЕТОДЕ

  2. ЛИНЕАРНИ ТРЕНД • LINEST Y = a + b*t • TREND • t – вредности • R – коефицијент детерминације

  3. ПАРАБОЛИЧНИ ТРЕНД • LINEST Y = a + b*t +c*t^2 • t – вредности • R – коефицијент детерминације

  4. НЕЛИНЕАРНИ ТРЕНД • LOGEST Y = a* b ^t lnY = ln a + t ln b y = A + t * B • GROWTH • t – вредности • R – коефицијент детерминације

  5. ЕКСПОНЕНЦИЈАЛНО ИЗРАВНАЊЕ ft = αYt-1 + (1-α) ft-1

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