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Estimation of Bedtimes of Reddit Users: Integrated Analysis of Time Stamps and Surveys

Estimation of Bedtimes of Reddit Users: Integrated Analysis of Time Stamps and Surveys

More formally, the fraction r of a user’s total Reddit posts falling within a given 15-minute interval of the 24-hour day is modeled as: where x is the number of hours after the user’s average bedtime, a, b, and c are fitted quadratic parameters, S and E are fitted parameters for the start time and end time of the parabolic section of the model, and d is the constant portion of the model, which, in order to make the total sum to 1 is calculated as In model fitting, a series of fitting runs are performed, comprising

William U Meyerson, Sarah K Fineberg, Ye Kyung Song, Adam Faber, Garrett Ash, Fernanda C Andrade, Philip Corlett, Mark B Gerstein, Rick H Hoyle

JMIR Form Res 2023;7:e38112

The Development of a Practical Artificial Intelligence Tool for Diagnosing and Evaluating Autism Spectrum Disorder: Multicenter Study

The Development of a Practical Artificial Intelligence Tool for Diagnosing and Evaluating Autism Spectrum Disorder: Multicenter Study

To avoid potential performance loss because of this phenomenon, we proposed an additional partition scheme, in which the partitions adjacent to the pole points are combined into 1 partition as shown in Figure 2, part (b). The number of orientation bins for this second partition scheme, which merges the direction areas near the pole into 1 direction, is calculated using the equation in: For the convenience of calculation, the value of NDIR2 is constrained to be an even number.

Tao Chen, Ye Chen, Mengxue Yuan, Mark Gerstein, Tingyu Li, Huiying Liang, Tanya Froehlich, Long Lu

JMIR Med Inform 2020;8(5):e15767