Analisis komponen utama (Principal component analysis/PCA) mengurangi jumlah dimensi dalam kumpulan data yang besar menjadi komponen utama yang mempertahankan sebagian besar informasi asli.
This study discusses a new formulation of environmental quality indices which can be used for monitoring environmental as well as meteorological parameters. The formulation of the indices is based on robust principal component analysis (PCA) which gives the best linear combination of air parameters. ...