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Mastering Internet of Things by Peter Waher

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Performing basic error correction

Values we sample may include different types of errors, some of which we can eliminate in the code to various degrees. There are systematic errors and random errors. Systematic errors are most often caused by the way we've constructed our device, how we sample, how the circuit is designed, how the sensors are situated, how they interact with the physical medium and our underlying mathematical model, or how we convert the sampled value into a physical quantity. Reducing systematic errors requires a deeper analysis that goes beyond the scope of this book.

Random errors are errors that are induced stochastically and are often unbiased. They can be induced due to a lack of resolution or precision, by background ...

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