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Cuong Duong 2023-10-14 23:34:18 +11:00
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docs/_docs/quick_start.md
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@ -15,7 +15,7 @@ subsections:
Prophet follows the `sklearn` model API. We create an instance of the `Prophet` class and then call its `fit` and `predict` methods.
Prophet follows the `sklearn` model API. We create an instance of the `Prophet` class and then call its `fit` and `predict` methods.
The input to Prophet is always a dataframe with two columns: `ds` and `y`. The `ds` (datestamp) column should be of a format expected by Pandas, ideally YYYY-MM-DD for a date or YYYY-MM-DD HH:MM:SS for a timestamp. The `y` column must be numeric, and represents the measurement we wish to forecast.
@ -104,7 +104,7 @@ We fit the model by instantiating a new `Prophet` object. Any settings to the f
m = Prophet()
m.fit(df)
```
Predictions are then made on a dataframe with a column `ds` containing the dates for which a prediction is to be made. You can get a suitable dataframe that extends into the future a specified number of days using the helper method `Prophet.make_future_dataframe`. By default it will also include the dates from the history, so we will see the model fit as well.
Predictions are then made on a dataframe with a column `ds` containing the dates for which a prediction is to be made. You can get a suitable dataframe that extends into the future a specified number of days using the helper method `Prophet.make_future_dataframe`. By default it will also include the dates from the history, so we will see the model fit as well.
```python
@ -364,19 +364,6 @@ var x = new MutationObserver(function (mutations, observer) {{
observer.disconnect();
}}
}});
// Listen for the removal of the full notebook cells
var notebookContainer = gd.closest('#notebook-container');
if (notebookContainer) {{
x.observe(notebookContainer, {childList: true});
}}
// Listen for the clearing of the current output cell
var outputEl = gd.closest('.output');
if (outputEl) {{
x.observe(outputEl, {childList: true});
}}
}) }; }); </script> </div>
@ -396,19 +383,6 @@ var x = new MutationObserver(function (mutations, observer) {{
observer.disconnect();
}}
}});
// Listen for the removal of the full notebook cells
var notebookContainer = gd.closest('#notebook-container');
if (notebookContainer) {{
x.observe(notebookContainer, {childList: true});
}}
// Listen for the clearing of the current output cell
var outputEl = gd.closest('.output');
if (outputEl) {{
x.observe(outputEl, {childList: true});
}}
}) }; }); </script> </div>
@ -429,9 +403,9 @@ In R, we use the normal model fitting API. We provide a `prophet` function that
library(prophet)
```
R[write to console]: Loading required package: Rcpp
R[write to console]: Loading required package: rlang
First we read in the data and create the outcome variable. As in the Python API, this is a dataframe with columns `ds` and `y`, containing the date and numeric value respectively. The ds column should be YYYY-MM-DD for a date, or YYYY-MM-DD HH:MM:SS for a timestamp. As above, we use here the log number of views to Peyton Manning's Wikipedia page, available [here](https://github.com/facebook/prophet/blob/main/examples/example_wp_log_peyton_manning.csv).
@ -509,4 +483,3 @@ An interactive plot of the forecast using Dygraphs can be made with the command
More details about the options available for each method are available in the docstrings, for example, via `?prophet` or `?fit.prophet`. This documentation is also available in the [reference manual](https://cran.r-project.org/web/packages/prophet/prophet.pdf) on CRAN.