Documentation and naming conventions in Tableau - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a comment in Tableau calculated field.

Tableau

// [1] this calculation

Drag options to blanks, or click blank then click option'

ACalculate

BComment

CExplain

DThis is

Attempts:

3 left

💡 Hint

Common Mistakes

Leaving out comments entirely

Writing unclear or vague comments

In Tableau, comments in calculated fields start with //. Adding a descriptive comment helps others understand the calculation.

2fill in blank

medium

Complete the naming convention for a calculated field that sums sales.

Tableau

[1]_Sum

Drag options to blanks, or click blank then click option'

ASales

BTotalSales

CSumSales

DSalesTotal

Attempts:

3 left

💡 Hint

Common Mistakes

Using vague or overly long names

Not following a consistent pattern

Using a clear and simple prefix like Sales followed by _Sum helps keep names consistent and understandable.

3fill in blank

hard

Fix the error in this Tableau calculated field comment syntax.

Tableau

/* [1] This is a comment */

Drag options to blanks, or click blank then click option'

A/*

B//

C--

D#

Attempts:

3 left

💡 Hint

Common Mistakes

Using single-line comment symbols inside block comments

Mixing comment styles

Tableau supports block comments using /* to start and */ to end. The code already uses this syntax correctly, so the blank should be /*.

4fill in blank

hard

Fill both blanks to follow best practice for naming a calculated field for average profit.

Tableau

[1]_[2]

Drag options to blanks, or click blank then click option'

AAvg

BProfit

CAverage

DSum

Attempts:

3 left

💡 Hint

Common Mistakes

Using inconsistent abbreviations

Using vague names like 'AverageValue'

Using Avg_Profit clearly indicates the calculation is an average of profit, following naming conventions.

5fill in blank

hard

Fill all three blanks to create a descriptive comment header for a Tableau dashboard.

Tableau

/* [1]: [2] dashboard showing [3] */

Drag options to blanks, or click blank then click option'

AProject

BSales

Cmonthly revenue

DAnalysis

Attempts:

3 left

💡 Hint

Common Mistakes

Writing unclear or incomplete comments

Not using a consistent comment format

This comment clearly describes the project and purpose of the dashboard: Project: Analysis dashboard showing monthly revenue.