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Advanced Linear and Nonlinear Trend Analysis Methods

Learn about linear, parabolic, and nonlinear trend analysis using formulas and coefficients to determine predictive values. Explore growth and exponential smoothing techniques for trend forecasting.

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Advanced Linear and Nonlinear Trend Analysis Methods

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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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