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Hello, I need help with a calculated column. I have a table, call it "Table1" with unique values per category, see example below:
category | value |
a | 30 |
b | 40 |
c | 50 |
Then I have another table, call it "Table2" like the one below:
week num | category | value |
10 | a | 34 |
11 | b | 45 |
12 | a | 67 |
13 | b | 89 |
I have to create a new column in Table 2 where I add the corresponding value of Table 1 only once, only in the first row, not in each row. how can I achieve it in power bi?
Solved! Go to Solution.
I am thinking perhaps:
Column in Table2 =
VAR __Category = [category]
VAR __MinWeek = MINX(FILTER(ALL('Table2'),[category]=__Category),[week num])
RETURN
IF([week num] = __MinWeek,LOOKUPVALUE('Table1'[value],'Table1'[category],__Category),BLANK())
I am thinking perhaps:
Column in Table2 =
VAR __Category = [category]
VAR __MinWeek = MINX(FILTER(ALL('Table2'),[category]=__Category),[week num])
RETURN
IF([week num] = __MinWeek,LOOKUPVALUE('Table1'[value],'Table1'[category],__Category),BLANK())
Create these two new columns in table 2
Count = countx(filter(table2,table2[category]=earlier(table2[category]) && table2[week num] <=earlier(table2[week num])),table2[week num])
from table 1 = maxx(filter(table1,table2[category]=(table1[category]) && table2[Count]=1),table1[value])
Appreciate your Kudos.
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