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Table 1 Structure of the training dataset

From: Patterns and correlates of physical activity in adult Norwegians: a forecasted evolution up to 2025 based on machine learning approach

  h1 h2 hk C1 C2 C3
s1 2 3 2 2 1 3
s2 1 1 2 2 2 1
s3 3 2 1 1 1 3
sn 1 2 2 3 3 2
  1. Each example s describes a vector of items mi consisting of k features (hk) and three labels c {1, 2, 3}. The light black reflects the vectors of features; otherwise, the dark black reflects the labels. Label 1, 2 and 3 reflects the item Frequency, Duration and Intensity