Research Article

Application of Extreme Learning Machine Algorithm for Drought Forecasting

Table 4

The candidacy of appropriate distributions according to their respective BIC values for SPTI-1.

DistributionMianwaliSialkotMuzaffarabadAstoreChitralMultanKalatChhorKohat

2P beta−260.71−387.86−278.31−280.10−216.46−63.88−418.16−244.53−228.65
3P Weibull−472.53−718.58−555.22−480.83−400.89−317.25−638.60−444.44−622.28
4P beta−463.53−722.18−584.52−469.79−393.88−311.66−664.62−434.07−616.67
Arcsine−211.50−322.48−364.18−272.85−194.87−38.61−353.11−178.98−216.75
Burr−49.90−291.37−351.96−347.29−87.23259.98−111.45197.60−315.30
Cauchy−218.97−414.95−460.90−367.96−227.51−87.98−498.98−289.68−322.84
Chi−292.62−424.20−186.90−247.93−245.62113.16−220.02130.71−315.76
Chi-square−321.57−546.12−456.49−441.42−271.12125.40−179.55136.71−588.65
Cosine−5.68−181.37−403.03−192.31−48.26267.44−64.93206.84−159.22
Curv. trapezoidal−163.25−349.64−555.47−375.44−169.25−117.58−60.78−236.04−415.05
Exponential−128.46−375.68−561.96−401.81−163.06106.66−407.55−244.95−496.17
F-dist−295.38−613.36−361.98−457.56−248.41158.37−180.79152.12−490.64
Gamma−316.77−648.41−557.36−477.56−268.29−70.08−441.22−246.11−584.11
Gen. ext. value−320.78−565.13−526.85−456.48−316.84−242.60−620.84−441.41−431.50
Gen. normal−366.43−633.43−533.60−476.01−358.69−303.25−627.76−443.34−466.85
Gumbel−179.72−379.06−527.12−389.62−195.10−35.02−431.30−244.43−376.46
Inv. chi-square−148.95−274.23−379.11−273.05−162.6715.23−356.13−200.45−239.52
Inv. Gamma−298.53−536.09−421.80−396.36−296.90−174.70−535.77−276.36−325.84
Inv. Gaussian−178.04−440.80−429.50−356.23−229.22−55.60−485.95−253.33−252.24
Johnson SB−364.48−633.93−547.57−478.62−357.49−298.02−623.36−445.58−463.74
Johnson SU−361.60−628.62−528.86−471.37−354.24−298.52−623.36−445.58−461.94
Laplace−184.73−413.96−480.10−382.24−201.82−41.51−439.14−245.85−339.58
Logistic−176.53−360.75−496.70−365.07−190.99−30.47−425.80−243.25−333.03
Log-normal−319.29−610.18−470.78−478.07−301.39−139.80−486.30−259.66−453.97
Normal−169.86−345.46−498.92−357.27−184.07−21.42−418.91−240.70−327.01
Rayleigh−171.77−356.66−524.70−373.83−186.34−23.85−420.65−241.01−358.02
Scaled t-dist−241.83−423.80−494.18−369.08−242.48−122.45−535.64−356.41−330.06
Skewed-normal−167.53−360.64−558.46−384.42−182.86−19.95−417.15−236.57−400.74
Trapezoidal−134.44−326.85−548.58−361.71−171.10−8.78−409.37−231.50−389.97
Triangular−91.67−331.66−553.32−366.35−175.4824.70−413.76−236.04−394.58
Uniform−94.00−244.30−269.41−274.09−124.13170.57−80.62144.85−261.94
von Mises−169.96−348.32−392.92−364.93−184.39−21.44−419.38−240.71−331.99