Table 4 The mode shapes by ICA method.

ICA

(1st–2nd–3rd floor)

0.4702

− 1.2009

1.4306

0.8216

− 0.4192

− 1.8688

1.0000

1.0000

1.0000

Analytical

0.4450

− 1.2467

1.8026

0.8021

− 0.5547

− 2.2474

1.0000

1.0000

1.0000

MAC ICA Vs. Analytical

1.46%

− 4.62%

− 16.36%

Peak picking(PP)

0.4649

− 1.2203

1.4396

0.8278

− 0.4459

− 2.0374

1.0000

1.0000

1.0000

MAC ICA Vs. PP

− 0.14%

− 1.33%

− 4.93%