Research Article

Main Trend Extraction Based on Irregular Sampling Estimation and Its Application in Storage Volume of Internet Data Center

Table 1

The Cov of main trend extraction result based on PMU, Loess, and MA.

CovPMULoessMA

107040901307400915220
50323010672790309860
10032780 427980167570
15071339314470114510
200124360244900 85857
25017417020678071517