Table 3 Rotated component matrix of HFA.

From: An interpretable statistical approach to photovoltaic power forecasting using factor analysis and ridge regression

First Level Factors

Second Level Factors

SL_Factor 1

SL_Factor 2

SL_Factor 3

FL_Factor 1

−0,02803

0,861588

0,2508

FL_Factor 2

−0,01933

−0,01305

0,697418

FL_Factor 3

0,048129

0,044879

0,41936

FL_Factor 4

0,055314

0,00147

0,784163

FL_Factor 5

0,656412

0,009544

0,126775

FL_Factor 6

−0,03882

−0,28503

0,882961

FL_Factor 7

−0,05432

0,510029

0,384738

FL_Factor 8

0,925292

0,032194

−0,00673

FL_Factor 9

0,529191

−0,055

0,020136

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