Forecasting in Tableau - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is forecasting in Tableau?

Forecasting in Tableau is a way to predict future data points based on historical data using built-in models like exponential smoothing.

beginner

Which forecasting model does Tableau use by default?

Tableau uses the exponential smoothing model by default for forecasting.

beginner

How do you add a forecast to a line chart in Tableau?

You right-click on the visualization, select 'Forecast', then choose 'Show Forecast' to add a forecast line to your chart.

intermediate

What does the confidence interval in a Tableau forecast represent?

The confidence interval shows the range where future values are likely to fall, giving a sense of uncertainty in the forecast.

intermediate

Name two factors you can customize in Tableau's forecasting options.

You can customize the forecast length (how far ahead to predict) and the confidence interval percentage (like 95% or 99%).

What type of data is best suited for forecasting in Tableau?

A Time series data

B Categorical data

C Geographical data

D Text data

Forecasting works best with time series data because it relies on patterns over time.

Which Tableau menu option lets you enable forecasting on a chart?

A Data > Forecast

B Format > Forecast

C Worksheet > Forecast

D Analysis > Forecast

Forecasting is enabled from the Analysis menu under Forecast.

What does increasing the forecast length do?

A Predicts further into the future

B Increases data refresh rate

C Changes color of forecast line

D Filters data points

Increasing forecast length extends how far ahead Tableau predicts.

What does a wider confidence interval indicate?

A Less uncertainty in forecast

B More uncertainty in forecast

C Faster forecast calculation

D More data points used

A wider confidence interval means the forecast is less certain.

Which of these is NOT a feature of Tableau forecasting?

A Automatic model selection

B Customizable forecast length

C Manual input of future values

D Confidence intervals

Tableau does not allow manual input of future values in forecasting.

Explain how Tableau creates a forecast and what key options you can adjust.

Think about the model Tableau uses and what controls you see in the forecast settings.

Describe the meaning and importance of confidence intervals in Tableau forecasting.

Consider why knowing the range of possible outcomes matters.