Why is this a prediction when the data output is already present in the database

### Type of issue

Typo

### Description

Date: 2012/1/1
Actual Rentals: 2294
Lower Estimate: 1197.8424
Forecast: 2334.4434
Upper Estimate: 3471.0442
Date: 2012/1/2
Actual Rentals: 1951
Lower Estimate: 1148.4125
Forecast: 2360.8608
Upper Estimate: 3573.309
Date: 2012/1/3
Actual Rentals: 2236
Lower Estimate: 1068.5067
Forecast: 2373.2764
Upper Estimate: 3678.046
Date: 2012/1/4
Actual Rentals: 2368
Lower Estimate: 984.98376
Forecast: 2382.2546
Upper Estimate: 3779.5254
Date: 2012/1/5
Actual Rentals: 3272
Lower Estimate: 906.73895
Forecast: 2386.749
Upper Estimate: 3866.759
Date: 2012/1/6
Actual Rentals: 4098
Lower Estimate: 825.9437
Forecast: 2387.0024
Upper Estimate: 3948.0613
Date: 2012/1/7
Actual Rentals: 4521
Lower Estimate: 743.52264
Forecast: 2385.3787
Upper Estimate: 4027.2346

this is prediction result , Why is this a prediction when the data output is already present in the database

### Page URL

https://learn.microsoft.com/zh-cn/dotnet/machine-learning/tutorials/time-series-demand-forecasting

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/machine-learning/tutorials/time-series-demand-forecasting.md

### Document Version Independent Id

460afd2b-383d-7b90-6804-4b900c3bc9b2

### Platform Id

aecdee88-23d7-539f-cac8-db511149f51f

### Article author

@luisquintanilla

### Metadata

* ID: 32d03435-cc6c-1123-a86c-d5c3eacc24bd
* PlatformId: aecdee88-23d7-539f-cac8-db511149f51f
* Service: **dotnet-ml**

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