Prognoza productiei de lemn si produse din lemn pentru România
Sursa: Antonoaie, N., Vorovenci, I. - Prognoza productiei de lemn si produse lemnoase. A III-a Conferinta "Eficienta, legalitate, etica în România mileniului trei". Universitatea "Andrei Muresanu", Brasov, 17 decembrie 1998, pag. 83 - 89
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Nr. crt. |
Grupa de sortimente |
Functiile utilizate |
Ecuatiile de regresie |
Prognoza [mii mc] [mii t] |
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LEMN ROTUND (total) |
LIN |
y = 19211,00000 - 209,57957·t |
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EXP |
y = 18736,25416·0,98745t |
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LIN(MMM) |
y = 19724,65000 - 181,15902·t |
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EXP(MMM) |
y = 19464,81801·0,98962t |
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LEMN ROTUND (rasinoase) |
LIN |
y = 6081,50000 - 71,01826·t |
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EXP |
y = 5861,23844·0,98538t |
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LIN(MMM) |
y = 6259,50000 - 56,55188·t |
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EXP(MMM) |
y = 6165,84357·0,98937t |
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LEMN ROTUND (foioase) |
LIN |
y = 12484,16667 - 146,69174·t |
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EXP |
y = 12125,40617·0,98674t |
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LIN(MMM) |
y = 12705,65000 - 134,25301·t |
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EXP(MMM) |
y = 12500,67489·0,98819t |
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LEMN DE FOC + MANGAL |
LIN |
y = 4260,95833 - 77,07283·t |
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EXP |
y = 4077,48778·0,98042t |
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LEMN DE FOC (rasinoase) |
LIN |
y = 393,41667 - 2,93217·t |
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EXP |
y = 370,06643·0,98773t |
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LEMN DE FOC (foioase) |
LIN |
y = 3293,04167 - 76,94500·t |
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EXP |
y = 3022,81347·0,97325t |
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MANGAL |
LIN |
y = 103,37500 + 0,85587·t |
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EXP |
y = 102,45752·1,00883t |
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LEMN ROTUND PENTRU INDUSTRIE (total) |
LIN |
y = 14950,04167 - 132,50674·t |
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EXP |
y = 14616,05377·0,98953t |
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LIN(MMM) |
y = 15339,05000 - 111,13947·t |
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EXP(MMM) |
y = 15285,30589·0,99275t |
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Nr. crt. |
Grupa de sortimente |
Functiile utilizate |
Ecuatiile de regresie |
Prognoza [mii mc] [mii t] |
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LEMN ROTUND PENTRU INDUSTRIE (rasinoase) |
LIN |
y = 5692,25000 - 68,15130·t |
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EXP |
y = 5478,08419·0,98502t |
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LIN(MMM) |
y = 5863,25000- 54,88459·t |
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EXP(MMM) |
y = 5765,55226·0,98885t |
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LEMN ROTUND PENTRU INDUSTRIE (foioase) |
LIN |
y = 9232,79167 - 67,35543·t |
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EXP |
y = 9029,50000·0,99149t |
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LIN(MMM) |
y = 9479,90000 - 56,27970·t |
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EXP(MMM) |
y = 9370,91183·0,99314t |
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BUsTENI DE GATER + FURNIR (total) |
LIN |
y = 7334,25000 - 142,67391·t |
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EXP |
y = 6976,18889·0,97872t |
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BUsTENI DE GATER + FURNIR (rasinoase) |
LIN |
y = 2913,83333 - 55,07348·t |
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EXP |
y = 2793,22010·0,98021t |
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Nr. crt. |
Grupa de sortimente |
Functiile utilizate |
Ecuatiile de regresie |
Prognoza [mii mc] [mii t] |
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BUsTENI DE GATER+FURNIR (foioase) |
LIN |
y = 4420,41667 - 87,60043·t |
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EXP |
y = 4164,65977·0,97758t |
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LIN(MMM) |
y = 4492,05000 - 94,43045·t |
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EXP(MMM) |
y = 4306,21419·0,97669t |
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CHERESTEA+ TRAVERSE (total) |
LIN |
y = 4130,04167 - 86,55953·t |
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EXP |
y = 3815,96894·0,97907t |
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CH.+TR. (export) |
EXP |
y = 847,19863·0,96129t |
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CHERESTEA (rasinoase) |
LIN |
y = 1782,70833 - 39,46109·t |
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EXP |
y = 1681,57131·0,97646t |
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CHERESTEA (foioase) |
LIN |
y = 2173,20833 - 32,49370·t |
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EXP |
y = 2069,77203·0,98213t |
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PLACAJ |
LIN |
y = 227,70833- 4,71283·t |
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EXP |
y = 209,72859·0,97329t |
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