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Table. 2.

Goodness-of-fit test for wind speed data from Hankyung using 2-parameter Weibull distributions

Mon. Normal Lognormal Weibull
A–D K–S A–D K–S A–D K–S
Statistic** Statistic** Statistic** Statistic** Statistic** Statistic**
Jan. 1.467 0.095 0.247 0.065 1.559 0.100
(<0.005)* (0.184) (0.746) (0.456) (<0.010)* (0.154)

Feb. 0.566 0.071 0.387 0.046 0.320 0.057
(0.139) (0.420) (0.382) (0.696) (>0.500) (0.578)

Mar. 0.901 0.085 0.756 0.759 0.512 0.062
(0.021)* (0.263) (0.047)* (<0.001)* (0.205) (0.492)

Apr. 0.805 0.061 0.692 0.052 0.461 0.049
(0.036)* (0.510) (0.069) (0.618) (>0.500) (0.650)

May. 2.51 0.143 0.541 0.052 1.43 0.113
(<0.005)* (0.022)* (0.161) (0.609) (<0.010)* (0.092)

Jun. 3.675 0.181 0.807 0.092 2.315 0.148
(<0.005)* (0.003)* (0.035)* (0.217) (<0.010)* (0.019)*

Jul. 2,431 0.112 0.393 0.065 1.200 0.083
(<0.005)* (0.096) (0.369) (0.457) (<0.010)* (0.279)

Aug. 1.796 0.093 0.620 0.062 0.994 0.070
(<0.005)* (0.198) (0.104) (0.491) (0.012)* (0.406)

Sep. 3.537 0.140 0.210 0.042 1.906 0.097
(<0.005)* (0.029)* (0.857) (0.725) (<0.010)* (0.186)

Oct. 0.570 0.071 0.056 0.046 0.377 0.059
(0.136) (0.393) (0.084) (0.676) (>0.250) (0.519)

Nov. 1.569 0.118 0.872 0.082 1.148 0.105
(<0.005)* (0.080) (0.024)* (0.297) (<0.010)* (0.136)

Dec. 1.052 0.128 0.433 0.059 0.799 0.113
(0.009)* (0.049)* (0.297) (0.532) (0.038)* (0.096)

* Rejection of the null hypothesis at the significance level 5 %. A–D, Anderson –Darling test; K–S, Kolmogorov–Smirnov test

** p-value

Applied Science and Convergence Technology 2022;31:93~98 https://doi.org/10.5757/ASCT.2022.31.4.93
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