I created this simple table in SQL:
create table testTable (
date date not null,
leader varchar(20),
name varchar(20)
)
insert into testTable
values
('2021-01-01', 'KIM', 'Anders'),
('2021-01-02', 'KIM', 'Annika'),
('2021-01-03', 'KIM', 'Anna'),
('2021-01-04', 'KIM', 'Anna'),
('2021-01-03', 'KIM', 'Annika'),
('2021-01-01', 'JOHAN', 'Sara'),
('2021-01-02', 'JOHAN', 'Sara'),
('2021-01-03', 'JOHAN', 'Sara')
I am trying to get an ekvivalent solution to the following code in a dax measure if possible
select max(leader), name, count(name)
from testTable
group by name
having count(name) >= 2
The result that im looking for is.
Leader | Measure |
---|---|
KIM | 2 |
JOHAN | 1 |
Think about HAVING
as a filter that happens after a grouping. So something like
Measure = COUNTROWS(filter(SUMMARIZECOLUMNS('Table'[Name],"Count",count('Table'[Name])), [Count]>=2))
And here's a simple way to present test data for DAX questions, entirely in DAX:
testTable = SELECTCOLUMNS
(
{
(date(2021,01,01),"KIM","Anders")
,(date(2021,01,02),"KIM","Annika")
,(date(2021,01,03),"KIM","Anna")
,(date(2021,01,04),"KIM","Anna")
,(date(2021,01,03),"KIM","Annika")
,(date(2021,01,01),"JOHAN","Sara")
,(date(2021,01,02),"JOHAN","Sara")
,(date(2021,01,03),"JOHAN","Sara")
}, "date", [Value1]
, "leader", [Value2]
, "name", [Value3]
)
This is much easier way to reproduce a scenario than creating a table in SQL Server, and loading it through Power Query, or using the "Enter Data" form in PowerBI which creates the table in Power Query.
Edit: after adding the desired result to the question, the answer changes like follows
A possible solution is to implement a measure that counts the number of names that appear more than once for the selected leader
# Names ge 2 =
COUNTROWS (
FILTER (
VALUES ( Test[name] ),
CALCULATE ( COUNTROWS ( Test ), ALLEXCEPT ( Test, Test[name], Test[leader] ) ) > 1
)
)
here is a working example on dax.do
DEFINE
TABLE Test =
DATATABLE (
"date", DATETIME,
"leader", STRING,
"name", STRING,
{
{ "2021-01-01", "KIM", "Anders" },
{ "2021-01-02", "KIM", "Annika" },
{ "2021-01-03", "KIM", "Anna" },
{ "2021-01-04", "KIM", "Anna" },
{ "2021-01-03", "KIM", "Annika" },
{ "2021-01-01", "JOHAN", "Sara" },
{ "2021-01-02", "JOHAN", "Sara" },
{ "2021-01-03", "JOHAN", "Sara" }
}
)
MEASURE Test[# Names ge 2] =
COUNTROWS (
FILTER (
VALUES ( Test[name] ),
CALCULATE ( COUNTROWS ( Test ), ALLEXCEPT ( Test, Test[name], Test[leader] ) ) > 1
)
)
EVALUATE
SUMMARIZECOLUMNS (
Test[leader],
"# Names ge 2", [# Names ge 2]
)
and the resulting output
I've left the measure of my previous answer on the original dax.do, that returned this output
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