In Internet of Things, occurrence of missing data is inevitable due to its intrinsic characteristics. This missing data phenomenon occurs due to a variety of reasons such as uneven network communication, synchronization difficulties, untrustworthy sensor devices, environmental aspects and other device malfunctions which often resulted in data incompleteness. A robust approach to missing data is an indispensible component of analysis to promote the perfect explanation of research findings.As the

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... data generated by the IoT devices is usually correlated in space and time, in this paper it is demonstrated experimentally that substituting missing sensor values with spatially and temporally correlated sensor readings using thenovel extended spatial and temporal correlated proximate missing data imputation model (ESTCP)has considerably improved the accuracy than that of the previously proposed STCP model and the existing single imputation and multiple imputation techniques.