aplicação da distribuição de weber ao peso de pinhas verdes application of the weber distribution to the green pine cones weight
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2009
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Abstract
O objetivo deste trabalho foi verificar a eficiência da Distribuição de Weber quando aplicada aos dados de frequências de pesos de pinhas. Foram coletadas e pesadas 40 pinhas verdes, na Região Metropolitana de Curitiba. Os pesos foram distribuídos em seis classes com intervalo de 90 g. A Distribuição de Weber ajustou-se aos dados dos pesos das pinhas, de acordo com o teste de Kolmogorov-Smirnov. Os valores esperados pela distribuição, a média e a moda calculadas resultaram em valores próximos aos observados, mostrando que as expressões desenvolvidas foram eficientes. A facilidade para ajustar o modelo ora apresentado, o cálculo da média, a variância, o desvio-padrão e os pontos de inflexão, por meio das expressões desenvolvidas, são vantagens dessa distribuição. Devido à sua flexibilidade, pode-se afirmar que essa técnica pode ser aplicada a diversas distribuições de dados do setor florestal, bem como a outras séries de dados biológicos.
The objective of the present work was to verify the efficiency of the Weber Distribution, when applied to the weight of pine cones. Forty green pine cones were collected and weighed in the Metropolitan Region of Curitiba. The weights were distributed into 6 classes, with 90 gram interval. It is concluded that the Weber Distribution adjusted to the data, in accordance with the Kolmogorov-Smirnov Test. The expected values for the adjusted distribution, average and mode had resulted in values close to the observed ones, showing that the developed expressions are efficient. The facility to adjust the proposed model, and the calculation of the average, variance, standard deviation and inflection points, by means of the developed expressions, are advantages of this distribution. Due to its flexibility, it is possible to affirm that this model can be applied to several forest distributions, as well as to other biological data.
The objective of the present work was to verify the efficiency of the Weber Distribution, when applied to the weight of pine cones. Forty green pine cones were collected and weighed in the Metropolitan Region of Curitiba. The weights were distributed into 6 classes, with 90 gram interval. It is concluded that the Weber Distribution adjusted to the data, in accordance with the Kolmogorov-Smirnov Test. The expected values for the adjusted distribution, average and mode had resulted in values close to the observed ones, showing that the developed expressions are efficient. The facility to adjust the proposed model, and the calculation of the average, variance, standard deviation and inflection points, by means of the developed expressions, are advantages of this distribution. Due to its flexibility, it is possible to affirm that this model can be applied to several forest distributions, as well as to other biological data.
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weber2009revistaaplicao
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| Authors | ;Saulo Henrique Weber;Julio Eduardo Arce;Sylvio Péllico Netto |
| Journal | journal of veterinary medical research |
| Year | 2009 |
| DOI |
10.1590/S0100-67622009000500009
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