A Comprehensive Survey on Local Differential Privacy

Table 5

Fundamental methods of mean estimation for multiple numerical attributes data under LDP.

Methods	Input boundary	Output boundary	Communication cost	Asymptotic bound error	Privacy budget/number of attributes
LM [20]
SCDF LM [47]
Staircase mechanism [48]
MeanEst [30]
Harmony-mean [10]
Piecewise mechanism [44]
Hybrid mechanism [44]