The detection of the mismatch negativity (MMN) in newborns using principal component analysis (PCA)
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Näytetään aineistoja, joilla on samankaltainen nimeke tai asiasanat.
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Tensorial Principal Component Analysis in Detecting Temporal Trajectories of Purchase Patterns in Loyalty Card Data : Retrospective Cohort Study
Autio, Reija; Virta, Joni; Nordhausen, Klaus; Fogelholm, Mikael; Erkkola, Maijaliisa; Nevalainen, Jaakko (JMIR Publications, 2023)Background: Loyalty card data automatically collected by retailers provide an excellent source for evaluating health-related purchase behavior of customers. The data comprise information on every grocery purchase, including ... -
Effect of variable selection strategy on the predictive models for adverse pregnancy outcomes of pre-eclampsia : A retrospective study
Zheng, Dongying; Hao, Xinyu; Khan, Muhanmmad; Kang, Fuli; Li, Fan; Hämäläinen, Timo; Wang, Lixia (Scholar Media Publishing Company, 2024)Objectives: The improvement of prediction for adverse pregnancy outcomes is quite essential to the women suffering from pre-eclampsia, while the collection of predictive indicators is the prerequisite. The traditional ... -
Online anomaly detection using dimensionality reduction techniques for HTTP log analysis
Juvonen, Antti; Sipola, Tuomo; Hämäläinen, Timo (Elsevier BV * North-Holland; International Council for Computer Communications, 2015)Modern web services face an increasing number of new threats. Logs are collected from almost all web servers, and for this reason analyzing them is beneficial when trying to prevent intrusions. Intrusive behavior often ... -
Automated detection and localization system of myocardial infarction in single-beat ECG using Dual-Q TQWT and wavelet packet tensor decomposition
Liu, Jia; Zhang, Chi; Zhu, Yongjie; Ristaniemi, Tapani; Parviainen, Tiina; Cong, Fengyu (Elsevier B.V., 2020)Background and objective. It is challenging to conduct real-time identification of myocardial infarction (MI) due to artifact corruption and high dimensionality of multi-lead electrocardiogram ...
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