Practical Data Analysis - Second Edition

Quantified self

Quantified self is self-knowledge through self-tracking with technology. In this aspect, one can collect daily activities data on his own in terms of inputs, states, and performance. For example, input means food consumption or quality of surrounding air, states means mood or blood pressure, and performance means mental or physical condition. To collect these data, we can use wearable sensors and life logging. Quantified self-process allows individuals to quantify biometrics that they never knew existed, as well as make data collection cheaper and more convenient. One can track their insulin and cortisol levels and sequence DNA. Using quantified self data, one can be cautious about one's overall health, diet, and level of physical ...