Current Year and Last Year Measures Calculation in Tableau.

We can achieve this in several ways but according to Tableau KB below are the steps in 2 different ways:

Option 1:

1. Drag Year(Order Date) to Columns

2. Create a Calculation that returns sales for this year called Current year sales:

if YEAR([Order Date])=YEAR(TODAY()) then [Sales] end

3. Create a Calculation that returns sales for last year called Last year sales:

IF YEAR([Order Date])=YEAR( TODAY())-1 then ([Sales]) end

4. Create a look up calculation called look up if current year with following formula:

IF ATTR(YEAR([Order Date])=YEAR(TODAY())) then
LOOKUP(SUM([Sales]),-1) end

5. Drag look up if current year to filters and select Special -> Non-null values

6. Hide field labels for columns

Option 2:

1. Create a Calculation that returns sales for this year called Current year sales:

if YEAR([Order Date])=YEAR(TODAY()) then [Sales] end

2. Create a Calculation that returns sales for last year called Last year sales:

IF YEAR([Order Date])=YEAR( TODAY())-1 then ([Sales]) end

3. Create a calculation called Current year:

YEAR(TODAY())

4. Drag Current year to Columns and make it a dimension

5. Hide field labels for columns

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