search for: huanghuacai

Displaying 3 results from an estimated 3 matches for "huanghuacai".

2006 Oct 15
1
gamma distribution don't allow negative value in GLMs?
...ll me the reason? Thanks very much! I copy my data here so you can check it: vegtype mhveg humidity soiltem elevation snail 1 diluo 35.0 0.279851 21.1 low 162 2 diluo 25.0 0.316092 23.1 low 113 3 yuhao 35.0 0.297238 21.7 low 105 4 huanghuacai 1.5 0.310687 23.1 low 5 5 huanghuacai 2.0 0.267868 28.3 low 1 6 yuhao 25.0 0.290135 21.9 low 10 7 huanghuacai 1.0 0.285207 27.7 low 6 8 huanghuacai 2.0 0.252973 28.3 low 1 9 huanghuacai 1.5 0.270000 28.1...
2006 Jul 03
2
could i change the ouput style on summary?
Dear friends, summary() doesn't give a good ouput style,e.g.: grass soiltem airtem gheight humidity altitude diluo :38 Min. :15.90 Min. :17.70 Min. : 8.00 Min. : 0.2360 high: 43 huanghuacai:32 1st Qu.:19.32 1st Qu.:22.60 1st Qu.:40.00 1st Qu.: 0.3190 low :119 hucao :46 Median :20.20 Median :25.30 Median :60.00 Median : 0.3399 yuhao :46 Mean :20.52 Mean :26.43 Mean :51.93 Mean : 0.3423 3rd Qu.:21.48 3rd Qu.:29.73 3rd Qu....
2006 Jul 04
0
who can explain the difference between the R and SAS on the results of GLM
...soiltemr + airtemr, family = Gamma) Deviance Residuals: Min 1Q Median 3Q Max -1.23873 -0.41123 -0.08703 0.24339 1.21435 Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 2.024e-02 1.655e-02 1.223 0.22320 grasshuanghuacai 1.321e-02 5.053e-03 2.615 0.00982 ** grasshucao 1.962e-04 1.971e-03 0.100 0.92083 grassyuhao -1.881e-03 2.041e-03 -0.922 0.35810 gheight -1.275e-04 6.288e-05 -2.027 0.04441 * humidity 6.797e-02 2.278e-02 2.983 0.00332 ** altitudelow -5.090...