Grey Spectrum Analysis of Air Quality Index and Housing Price in Handan

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Period</td><td class="align_center" colspan="2">AQI</td><td class="align_center" colspan="2">Housing price</td></tr><tr class="thead"><td class="align_center">Length</td><td class="align_center">Amplitude</td><td class="align_center">Length</td><td class="align_center">Amplitude</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">1</td><td class="align_center">6.67</td><td class="align_center">0.1520</td><td class="align_center">20</td><td class="align_center">0.1734</td></tr><tr><td class="align_left">2</td><td class="align_center">2.5</td><td class="align_center">0.1120</td><td class="align_center">10</td><td class="align_center">0.1105</td></tr><tr><td class="align_left">3</td><td class="align_center">4</td><td class="align_center">0.1112</td><td class="align_center">2.86</td><td class="align_center">0.0873</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main period and amplitude of AQI and housing price in Handan.</div>

Complexity

tab2

Table 2

Table 2: Grey Spectrum Analysis of Air Quality Index and Housing Price in Handan 