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Tina indicator comb sig table #1544

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Sep 23, 2024
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Tina indicator comb sig table #1544

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moved signals into table
tinatownes Sep 10, 2024
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Merge branch 'dev' into Tina_indicatorCombSigTable
tinatownes Sep 17, 2024
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21 changes: 4 additions & 17 deletions docs/api/covidcast-signals/indicator-combination.md
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Expand Up @@ -38,23 +38,10 @@ sensors.

These signals were updated daily until March 17, 2021.

* `nmf_day_doc_fbc_fbs_ght`: This signal uses a rank-1 approximation, from a
nonnegative matrix factorization approach, to identify an underlying signal
that best reconstructs the Doctor Visits (`smoothed_adj_cli`), Facebook
Symptoms surveys (`smoothed_cli`), Facebook Symptoms in Community surveys
(`smoothed_hh_cmnty_cli`), and Search Trends (`smoothed_search`) indicators.
It does not include official reports (cases and deaths from the `jhu-csse`
source). Higher values of the combined signal correspond to higher values of
the other indicators, but the scale (units) of the combination is arbitrary.
Note that the Search Trends source is not available at the county level, so
county values of this signal do not use it. This signal is deprecated and is
no longer updated as of March 17, 2021.
* `nmf_day_doc_fbs_ght`: This signal is calculated in the same way as
`nmf_day_doc_fbc_fbs_ght`, but does *not* include the Symptoms in Community
survey signal, which was not available at the time this signal was introduced.
It also uses `smoothed_cli` from the `doctor-visits` source instead of
`smoothed_adj_cli`. This signal is deprecated and is no longer updated as of
May 28, 2020.
| Signal | Description |
| --- | --- |
| `nmf_day_doc_fbc_fbs_ght` | This signal uses a rank-1 approximation, from a nonnegative matrix factorization approach, to identify an underlying signal that best reconstructs the Doctor Visits (`smoothed_adj_cli`), Facebook Symptoms surveys (`smoothed_cli`), Facebook Symptoms in Community surveys (`smoothed_hh_cmnty_cli`), and Search Trends (`smoothed_search`) indicators. It does not include official reports (cases and deaths from the `jhu-csse` source). Higher values of the combined signal correspond to higher values of the other indicators, but the scale (units) of the combination is arbitrary. Note that the Search Trends source is not available at the county level, so county values of this signal do not use it. This signal is deprecated and is no longer updated as of March 17, 2021. <br/> **Earliest date available:** 2020-04-15 |
| `nmf_day_doc_fbs_ght` | This signal is calculated in the same way as `nmf_day_doc_fbc_fbs_ght`, but does *not* include the Symptoms in Community survey signal, which was not available at the time this signal was introduced. It also uses `smoothed_cli` from the `doctor-visits` source instead of `smoothed_adj_cli`. This signal is deprecated and is no longer updated as of May 28, 2020. <br/> **Earliest date available:** 2020-04-06 |

### Estimation

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