Table 7.
The Kendall correlation coefficients between each dataset to the “Twitter full archive” dataset.
| Group | Data sources | Coefficient | P value | Correlation22 |
|---|---|---|---|---|
| Group 1 | Twitter sampled stream vs. Twitter full archive | τ = 0.73 | < 0.001 | Moderate |
| Twitter search vs. Twitter full archive | τ = 0.70 | < 0.001 | Moderate | |
| Twitter filtered stream vs. Twitter full archive | τ = 0.74 | < 0.001 | Moderate | |
| Group 2 | Twitter COVID-19 stream vs. Twitter full archive | τ = 0.89 | < 0.001 | Very strong |
| Twitter multi-crawler search vs. Twitter full archive | τ = 0.89 | < 0.001 | Very strong |