Table 1: Radiation forecasting; spatial comparison of ANN models with time delay.

Number of inputsTrainingForecastingYearDelayColumnRowRankingInput radiation
MAERMSEMAERMSE

10*7.81*16.55*3.85*19.63*11*23*1*1*1*GHI*
3**9.24**20.05**4.03**20.07**12**27**1**3**2**GHI**
9***8.07***16.88***4.07***20.17***12***26***3***3***3***GHI***
117.6816.474.2720.66117124GHI
227.81164.2920.71108215GHI
217.7916.064.420.981026136GHI
267.8815.964.4721.141019327GHI
247.8915.924.621.441015238GHI
88.4917.224.7321.75121329GHI
48.9619.014.7921.8912222110GHI
127.9316.514.8522.0211261311GHI
318.2615.944.8522.039272112GHI
68.7717.944.8522.031212313GHI
58.7418.214.8922.111212214GHI
112.2829.344.9522.2512241115GHI
237.9115.884.9522.2510262216GHI
78.517.474.9622.271233117GHI
288.2915.945.0322.439201118GHI
308.3115.825.1822.779141319GHI
188.0416.085.2622.9411253320GHI
198.3116.095.2722.9510231121GHI
147.8616.285.2923.0111232222GHI
448.9315.725.423.24833223GHI
158.1616.315.4223.291122324GHI
167.916.235.4223.2911293125GHI
338.3515.815.4523.359152326GHI
428.8115.725.4923.438202327GHI
207.7616.15.5123.461071228GHI
13816.335.5523.561142129GHI
528.5615.685.6223.72753130GHI
398.4215.755.6323.748231331GHI
408.7415.795.6423.75872132GHI
418.4115.655.6523.778252233GHI
518.9215.745.7123.89702334GHI
328.1915.885.7223.919152235GHI
177.816.165.7323.951103236GHI
478.7815.755.8324.14711237GHI
258.1415.95.924.2910213138GHI
709.0615.835.9124.35103139GHI
368.3815.715.9524.38933340GHI
388.4415.766.0224.548101241GHI
278.5515.836.0324.5610113342GHI
509.215.646.2224.957122243GHI
488.9315.746.25257231344GHI
458.7415.656.325.098233345GHI
628.5715.786.3125.126253246GHI
469.0315.786.4325.357171147GHI
348.3115.756.4425.379233148GHI
212.0224.596.4425.381211249GHI
378.3915.666.5125.52821150GHI
718.8715.776.6525.79533251GHI
558.7515.736.6925.87681152GHI
298.4815.86.7425.96971253GHI
598.9415.646.7525.986152254GHI
358.5715.886.8226.119213255GHI
73915.636.8326.134281156GHI
839.1615.996.926.273151257GHI
498.6215.576.9126.28772158GHI
539.0615.686.9426.347223259GHI
588.815.777.0326.526102160GHI
638.7915.817.0526.56653361GHI
579.1415.717.0926.62681362GHI
618.8315.637.1126.66613163GHI
569.2115.867.2126.866291264GHI
659.0616.027.2626.955251265GHI
438.9415.757.2927.01873166GHI
669.1515.797.327.025281367GHI
829.4715.967.3127.033111168GHI
859.2716.057.3727.153172169GHI
759.0115.747.4127.214121370GHI
799.2816.077.4327.264283171GHI
548.9315.597.4427.27743372GHI
769.2715.97.4827.34452173GHI
699.0615.587.4927.375252374GHI
648.7615.757.5127.415281175GHI
818.9915.977.5327.444243376GHI
749.4115.717.5427.454151277GHI
678.9915.787.5827.535222178GHI
879.1916.047.6727.73122379GHI
809.2615.997.6927.734123280GHI
778.915.927.8728.054252281GHI
789.2115.847.9628.22442382GHI
609.0415.868.2528.72602383GHI
729.1715.768.4329.03553384GHI
849.316.258.4729.13241385GHI
689.4315.968.5429.225232286GHI
889.216.138.7829.63303187GHI
869.0215.859.3530.57362288GHI
899.2516.2610.231.93363289GHI
909.5216.1510.3932.23353390GHI

Stars () shows best three results in order.