Having imported an excel sheet into power query, I need to tidy it up by changing the value of a particular cell.
At the moment that cell has a null value, but there are other null values in the same column that I do not want to change. – So I cannot replace all of the null values in that column with another value.
I also cannot correct that particular cell in the source excel file (there are hundreds of them, which were created before I arrived).
I basically need some syntax for example that sets the value of cell H2 to “Jeep”, but not to change any other cells.
Very grateful for any insight.
One way would be:
In the Power Query Editor:
Add an index column starting from 1 (tab Add Column)
Add a Conditional column: If [Index] = 2 then Jeep else [H] (tab Add Column)
Delete Index column and [H] Column
Rename Custom column to [H].
Related
I have 2 columns the first one contains values and the second one attributes for those values.
I want to create new columns for each attribute in order to visualize it accordingly.
It should look something like this when I am done.
Thanks for your help :)
I tried to use an if statement to create my column. It had the purpose to insert the value into the cell, when it returns true and an empty string when it returns false. But I cannot use the [Value] column for that purpose.
Actual= if(FIND ("Actual",[Column1],1,0)>0, [Values],"")
If this is in powerquery then add column ... custom column
= if [Column 1] = "Actual" then [Values] else null
and then add another custom column with
= if [Column 1] = "Optimal" then [Values] else null
or instead of above, you could
add column .. index column ...
click select Column 1
Transform .. Pivot Column... and choose Values as the values column
I want to move a single value from column B to column A, how can I achieve it in the most simplest way in Power Query / Query Editor (Power BI)?
Please see attached images.
I know I might need to declare a variable so please enlighten me. By the way, I will delete row 1 afterwards, promote my headers, and rename column2 as PERIOD.
Thank you.
This might be along the lines of what you want to do.
If I start with this table named as Table1:
Then I click on the fx to the left of the formula bar:
And type = Table.InsertRows(Source, Table.RowCount(Source), {[Column2 = Source[KP20 rate]{0}, KP20 rate = null, Column4 = null]}) into the formula bar:
I used Table.InsertRows to create a new row in Table1. Source is the name of the latest state of Table1 after it is pulled into Power Query and before I do this step. So I actually use Source as the name of the table for this step instead of Table1. (Each applied step basically results in its own table. You probably know this already, but others may not.) So for this step I use Source as the table name in the Table.InsertRows statement. Then, since I want the new row to appear at the bottom of Source, I just enter the Table.RowCount of Source as the row number location for the new row. Then I enter each of the Columns' names and their values to be added. For Column2, I entered the value "Source[KP20 rate]{0}." Source[KP20 rate]{0} basically treats column KP20 rate as a list, where {0} serves as a pointer to the first item in the list. To target the second item in Source[KP20 rate] you would use Source[KP20 rate]{1}. You can see that I set the values for the other two columns (KP20 rate and Column4) to null.
The result:
Here's the M code in case you want to see it:
let
Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content],
Custom1 = Table.InsertRows(Source, Table.RowCount(Source), {[Column2 = Source[KP20 rate]{0}, KP20 rate = null, Column4 = null]})
in
Custom1
I am trying to change the value of a single cell in power bi. When I go into the "data" view then right click and then go to "edit query" I have the option for "replace values". This works like a find and replace, the issue I am having is that if there are multiple cells with the same values they will all get changed. How can I just edit a single cell??
Unfortunately it is not as easy as just editing the cell. If you do not have an index/id column in your table then add one (there is a button on the toolbar to do this).
Then create a new custom column in M (PowerQuery / the data prep language of PowerBI), along the lines of:
NewColumn = IF ([Index] = "Index Number" and [YourColumn] = "<your value>")
THEN "The new text"
ELSE [YourOriginalColumn]
Rename or remove the original column and rename NewColumn to the original column name.
I am fairly new to powerbi and I need your help in one task on which I am stuck on.
Basically I have two tables and I need to compare the value from table one with a row of table 2 and return the output.
Table 1
I need to compare values in column a & b and get a match from table 2.
For example if row 1 has BY Green & BS HIGH then I need to check this value from matrix table below and return the output in column value as either 0 or 1.
Table 2
As you can see the Table 2 first row has value BY Green and BS low has a value '0'
Try this...
Index() returns a value from the matrix (in purple) based upon the intersections of the two match()'s. The first is the Vertical match in from the Table1:Col A; the second is the Horizontal match from table1:Col B. The value found at that intersection is returned.
... My apologies ... just saw this was a BI request... no worries...
First, Need fixup table2 as a lookup file:
First, click a cell in table 2 (don't edit), then Data menu >frm table/range, will bring up the Power Query window. Select columns B (not A) through Col F), then in the PQ Transform menu > Unpivot to create the new lookup table. this can either be saved as a new table or be used by reference.
Next, open and merge Table 1 PQ_Table 2 (Be sure to select BOTH Columns in BOTH Tables, in the same order). Then, expand the table tab following the merge expand the table tab. I only selected the value to return but you can return all the values to verify, then delete the unneeded columns.
Hope this helps...
Good Luck.
i have two sheets. first column of both sheets has userids, but there is only some overlap of ids between the two sheets. i want to keep the userids in the first sheet, but in the second sheet, the second column has a point of data that i want. for those userids in the first sheet that are also in the second sheet, i want to get this data.
so, for say the first row's userid in the first sheet, how could i use vlookup to find that same userid in the second sheet (if it exists), get the value of the second column of that match, and bring it back to the second column of the first sheet?
thanks
Modify and put this formula into the first cell of the second column on the first worksheet. Then copy and paste it down the column:
=VLOOKUP(A1, Sheet2!A$1:B$100, 2, FALSE)
Let's look at the parameters for this function:
A1: This value, on this worksheet, is what we're searching for in the range given in the next parameter. When you copy and paste the entire formula down the column, it increments the row # with each row. In row 2, it will be modified to A2, and so on.
Sheet2!A$1:B$100 : This is the range that we are interested in, on the second worksheet. It is the top left to bottom right cell. The $ symbol tells Excel not to change the row #'s when you copy and paste the formula down the column. Modify B$100 to fit the range of data you are interested in... something like B$30 if you only have 30 rows of id's on the 2nd sheet.
2: This is the column you are interested in retrieving the value, relative to the above parameter. In this case, the 2 corresponds with column B.
False: This instructs Excel to find the exact match.