Abstract
Physical activity recognition is a growing area of research with many applications in medical, surveillance systems and manufacturing industry. We perform a case study to classify the human activity into six categories—Standing, Walking, Walking_upstairs, Walking_downstairs, Sitting and Lying using Random Forest algorithm in R. The dataset is of high dimensional numeric data, this report focuses on two Preprocessing methods—Principal Component Analysis and Near zero variance with removal of correlated predictors to identify the best suitable data reduction techniques. This study highlights the Influence of preprocessing, the procedure to fine tune the model.
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Bhanu Jyothi, K., Hima Bindu, K. (2018). A Case Study in R to Recognize Human Activity Using Smartphones. In: Chaki, N., Cortesi, A., Devarakonda, N. (eds) Proceedings of International Conference on Computational Intelligence and Data Engineering. Lecture Notes on Data Engineering and Communications Technologies, vol 9. Springer, Singapore. https://doi.org/10.1007/978-981-10-6319-0_17
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DOI: https://doi.org/10.1007/978-981-10-6319-0_17
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