Power Pivot :: SPC Average Of A Count Of Text Column
Dec 1, 2015
This is an SPC chart controlled by a slicer that operates a powerpivot table. This is then copied (by cell formula) into a "normal" table where the average, UCL, LCL and Erlang are calculated which are just basic calculations involving average and standard deviation. To make it work the values in the Average, UCL,LCL and Erlang must be repeated all the way down the table to create the chart. In the current format it works well and using a standard table keeps the chart range dynamic.
However this is a very clunky solution involving repeating the data tables in excel. I need to create dozens of charts and it will get large and slow.I would like to create the whole thing in a powerpivot table using measures so i can use powerpivot charts and ultimately powerBI. The data column PasID is a text column so I need a measure that calculates the "count of PasID" for each day(the row labels) and then repeats that value down a whole column in the same way the standard table does. I couldn't figure out how to get the correct number repeat down the whole column, which measures to use,Whether to create calculated columns in the data model or any of it. SO I need to be able to get a count of a text column then display the average of that count in a second column all the way down.
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Nov 5, 2015
I am try to count number of items that will result by filtering a date column (one Date column). Ex Column "Created Date" between 1-Sep-2015 To 30-Nov-2015.
I am unable to get any function that is getting right value. The below function return 40, however the actual value when i do manual filter and count is 132.
CountofQ1:=COUNTAX(DATESBETWEEN(DumpLoad1[Start Date],[StrtDate],[EndDate]),DumpLoad1[Start Date])
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Jun 23, 2015
In a calculated column I am trying to get a scalar text value from a lookup to another table. This works quite well when getting numerical values with the following formula:
=MinX(Filter(LookUpTable;LookupTable[from]<=MySourceTable[Day] && LookupTable[to]>=MySourceTable[Day]);LookUpTable[numericalColumn])
But as soon as I substitute the numerical column by a string column, #error results.
I also want to mention that the above query yields only one row as a result. It should be simple to return the value of one of the columns but after searching for quite some time, I could not find any function for that.
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Apr 29, 2015
I have a pivot table that connects to our data warehouse via a PowerPivot connection. The data contains a bunch of comment fields that are each between 250 and 500 characters. I've set the columns in this pivot table to have the 'Wrap Text' set to true so that the user experience is better, and they can view these comment fields more clearly.
However, whenever I refresh the data, the text wrapping un-sets itself. Interestingly, the 'Wrap Text' setting is still enabled, but I have to go and click it, then click it again to actually wrap the text. This is very burdensome on the user, and degrading the experience.
Any way to make this text wrapping stick so that I don't have to re-set it every time I refresh the data?
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Jun 5, 2015
I have a calculated measure that is "Cost Per Patient:=sum([ActualCost]) / sum(Patients[PatientCount])" and it works fine. I'd like to be able to create another calculated measure based on "cost per patient" that uses min, max and average of "cost per patient" but dax wont let me.
I've read about dax calculate but not sure how to use it in my situation. Here is background on the problem:
There are 2 fact tables, prescription cost and patient count. Both are related by a practice dimension. The practice dimension has a geography hierarchy of county - town - practice.
The "Cost Per Patient" works fine with the geography hierarchy. By that I mean it shows the correct value when looking at the different levels. For my new calculation, for example looking at the list of counties, I want to use the min, max and average of "Cost Per Patient" of all counties. To break the problem down, I was going to start with creating and testing separate calculated measures for min, max and average and that's where I am stuck.
My understanding of the problem is it's something to do with the context of where the calculation is being made. As I want to perform the min, max and average on all the children of the parent. This article explains it but I can't figure out how to apply it to my situation [URL] ....
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Apr 22, 2015
I have a table in `PowerPivot` which contains the logged data of a traffic control camera mounted on a road. This table is filled the velocity and the number of vehicles that pass this camera during a specific time(e.g. 14:10 - 15:25). Now I want to know that how can I get the average velocity of cars for an specific hour and list them in a separate table with 24 rows(hour 0 - 23) where the second column of each row is the weighted average velocity of that hour?
A sample of my stat_table data is given below:
count vel hour
----- -------- ----
133 96.00237 15
117 91.45705 21
81 81.90521 6
2 84.29946 21
4 77.7841 18
1 140.8766 17
[Code] ....
In a separate `PowerPivot` table I have 24 rows and 2 columns(column1 is for hours and column 2 for weighted averages) and when I enter my formula, the whole rows get updated with the same number. My formula is:
=sumX(FILTER(stat_table, stat_table[hour]=[hour]), stat_table[count] * stat_table[vel])/sumX(FILTER(stat_table, stat_table[hour]=[hour]), stat_table[count])
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Jul 20, 2015
I've imported a number of excel sheets into a Power Query Table. All seems to appear ok until I load the data. Of the 15k rows around 2k have a similar error where it cannot convert an integer to type string as below example
Expression.Error: We cannot convert the value 40 to type Text.
Details:
Value=40
Type=Type
The columns in question are all of integer type, I've looked through the M query and there is no conversion to string taking placeThe values where we don't get the error are also integers hence the intriguing question is why does the error occur on a subset and not the others. I suspect there is a limit to the number of errors also somewhere internally M query is converting the column to text for some reason.
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Nov 18, 2015
Slow loading issue with an if statement. In the raw data the field [Location] is a text field e.g. 0010. I have a parameterised query that get a Location_Value from Excel and passes it to the PQ query using:
#"Filtered Rows1" = Table.SelectRows(#"Removed Other Columns", each ([SalesMode] = 0) and ([SalesType] = 0) and ([Location] = Location_Value))
This works fine if you chose a single location. However I wanted to be able to select all locations and text is horrible to work with so in PQ I used the change type function to change the location column into whole numbers. I changed excel to also pass a number as Location_Value. I was therefore surprised when the same query took 2.5 times longer to refresh????
My PQ now looks like this
#"Changed Type" = Table.TransformColumnTypes(#"Removed Other Columns",{{"Location", Int64.Type}}),
#"Filtered Rows1" = Table.SelectRows(#"Changed Type", each ([SalesMode] = 0) and ([SalesType] = 0) and ([Location] = Location_Value))
I'm wondering if I need to do something to the ([Location] = Location_Value) bit as maybe it still thinks [Loation] is text and it is trying to compare it to a number. I st assumed the step above meant that [Location] was now a number, but maybe you still have wrap it with some kind of VALUES or TEXT function?
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Jul 16, 2015
I'm looking to replace text in a given column given a set of conditions in the other columns. Please see below the M query in the advance editor and in particular the bold text. Here I've created a new entry that would appear in the query applied steps window in the power query editor that I have called "Replace Values". The logic is if Data.Column4 column equals "London" then replace null values in Data.Column5 with London. However when I save the query below I get the error
Expression.Error: There is an unknown identifier. Did you use the [field] shorthand for a _[field] outside of an 'each' expression?
I plan to change the expression to test for multiple conditions however I need to get the basic expression working first. The other frustration i had with the "if" statement is it had to have an else even though I didn't require it, am i doing something wrong here?
let
FullFilePath = "C:PermanentDwellings.xlsx",
Source = Excel.Workbook(File.Contents(FullFilePath)),
#"Expanded Data" = Table.ExpandTableColumn(Source, "Data", {"Column1", "Column10", "Column11", "Column12", "Column13", "Column14", "Column15", "Column16",
[Code] ....
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Jul 20, 2015
I have a dataset which contains sensitive person information that can be sliced by various demographic groups.
When I use PowerPivot to query it if I use more than say 5 groups the resulting value within a cell may fall below an acceptable value of say 10 and render the group of people identifiable.
What I would like is some way to generate the lowest group such that any combination < 10 returns 10 and any hierarchy/group above the detail uses this new value for its summary.
Here is an example of how it would look now (I have used only 3 groups Gender followed by Age group and Age to keep it simple):
Gender Age group Age Count
Male 32
20-25 30
21 9
24 10
25 11
26-30 2
30 2
This is how I would like it to look:
Gender Age group Age Count
Male <41
20-25 <31
21 <10
24 10
25 11
26-30 <10
30 <10
I have actually tried to do it myself but the DAX expression is beyond me. I use ISFILTERED(<column name>) or HASONEVALUE to get the lowest level group (Age) to work but of course I can't get the levels above it in the hierarchy to calculate based upon the interim result...
IF(HASONEVALUE(Measure[Age]),if([Count]>5,[Count],if(ISBLANK([Count]),0,5)),BLANK())
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Jun 22, 2015
I have a projectstructure (DimProject) with FactDeliverables assign to to the bottom level of the Projectstructure. I would like to show the DimProject that doesn't have any FactDeliverables.
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May 20, 2015
This is primarily a question for DAX/Power BI. I'm trying to figure out how to count rows for a particular column where only a specific value exist. For instance, I'm trying to count how many times a certain field contains a true value or false value across multiple columns.
I found this formula here: [URL] ....
=CALCULATE(COUNTROWS('table'), ALLEXCEPT('table', 'table'[n_country]))
However, I'm not quite sure how to adapt it to count only rows where a value is equal to True, False, 17, "foobar", etc...
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Jun 9, 2015
I am trying to build various reports that compares data over time. I have one that measures Year Over Year % difference for number of incoming projects. I managed to do that easily by calculating the following
YTDProjects:=if(ISBLANK(SUM('TrendData'[Projects])),blank(),CALCULATE(SUM('TrendData '[Projects]),DATESYTD(CalendarDate[FullDate])))
PYProjects:=if(ISBLANK(SUM('TrendData'[Projects])),blank(),CALCULATE(sum('TrendData '[Projects]),SAMEPERIODLASTYEAR(DATESYTD(CalendarDate[FullDate]))))
YoYDifference:=[YTDProjects]-[PYProjects]
YoYPercProjects:=IF([PYProjects]=0, BLANK(), [YoYDifference]/[PYProjects])
Where Projects is the metric in question, TrendData is the table that contains project data and CalendateDate is the Date Table. But now I am trying to compare the same YTD projects data to number of projects that came in the last 6 months. How do our projects compare to average number of projects that came in last 6 month period.
I tried the the DATEADD function instead but got no luck and data came out wrong!
PrevProjects:=CALCULATE(SUM([Projects]),DATEADD(CalendarDate[FullDate],-1,QUARTER))
For some reason, this also returns blank in my model:
QTDProjects:=TOTALQTD(SUM('TrendData'[Projects]),CalendarDate[FullDate])
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Sep 30, 2015
I have an inventory table with the following columns
[Item], [Quantity], [Date]
I have a sales table with the following columns
[Item], [Customer], [Quantity], [Date]
In addition to this I have a normal date table.
I want to create a measure that calculates
CurrentInventory:=LastInvenoryCountInTable-SalesQuantitySinceThen
I don't know where to start. Is this possible to do with DAX?
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Nov 13, 2015
I have two tables - one with dates at the end of each month (10/31, 11/30, 12/31, et al) that's linked to a data table containing client signups. While I can get the count per month in a pivot table, I'm trying to calculate the beginning count of each month.
How do I use calculate or something similar to sum the count of records created minus count of records closed prior to the beginning of the period?
The pivot looks like this right now and works by month:
beginning active records ?????
count of records created 100
count of records deleted 50
net records created 50
running balance in net records created 100 (theoretically the next month's beginning balance, but can't figure out how to reference or calculate)
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Jul 29, 2015
Say that I have employee data for 2010-2015. I have a pivot table that displays employee data for all the different months in 2015 I want each month to show all people who have been employed since the start of time until and including that month. So
for January 2015 it should show all people employed from January 2010 to January 2015.
for February 2015 it should show all people employed from January 2010 to February 2015.
for March 2015 it should show all people employed from January 2010 to March 2015.
How can I write a measure for this? I have a date table set up.
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Nov 7, 2014
I want to count the rows in the Incident Table by using filters to limit the rows to be counted if they meet the below conditions. I know I need a logical test for each row of the incident table based on the apparatus table’s rows. But, I want to test for each row in the incident table, counting, but not returning a true or false in the overall measure.Something like look at each incident row, test for true or false and then count IF the statement is true. Then go to the next incident row and do the same. The aggregation would be the final count of “true” results.I tried this for MET objective:
=CALCULATE(COUNTROWS(incident),
apparatus[Incident Response Time] >-1 ||
apparatus[Incident Response Time] <320,
uv_901APP_TYPE[Description]="Engine",
uv_901INCIDENT[Top_Category]="Fire"
[code]....
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Jun 1, 2015
I'm trying to come up with a formula that will calculate the number of lines where two conditions are true.First, SLA must be either breached or achieved.And the second condition must be that the "country" and SLO group must be the same (these two values are located in different tables. So far I have only accomplished the first....
=CALCULATE(DISTINCTCOUNT([ID]),Data![SLA Result]="Breached")
I have tried adding FIND, EXACT or USERELATIONSHIP to the formula to no avail.... I keep running into the same error."The value for 'SLO Group' cannot be determined. Either 'SLO Group' doesn't exist, or there is no current row for a column named 'SLO Group'."
Country
SLO Group
SLA Achieved
SLA Breached
[code]....
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Aug 2, 2015
I am trying to show images in a product listing in power view.I work with an excel 2013 desktop version based on an office 365 pro account.I did the following steps:
import of an excel file with an article list via power query and loading the data to the data model import jpg images from a folder via power query, setting content as binary type and loading the data to the data modellinking both tables in power pivot--> manage via the image namesetting the table behavior for the images table under power pivot --> manage --> Advanced (e.g. Default Image: Content)opening power view and building article cards with article number and imageProblem: only a camera icon shows up in power view
Is there a solution with a desktop version?Can I use my Office 365 Pro account to make it work? How?Why is there no solution showing images in a pivot table?Link to Dropbox with power pivot files
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Jun 11, 2015
I have a column that I'm trying to call into a calculated measure to determine an expected contract amount (Terms in Month). The problem is that some of the terms are defined as text strings (MTM, Coterminous, One-time) while others are numbers (12, 36, etc). The entire column is recognized as text. I have a numeric value that management has agreed would be an acceptable substitution (MTM=1, Coterminous=6) and so on. I can't however, figure out how to convert those texts to a number since they are different data types. I've tried a nested IF statement, as well as a LOOKUPVALUE..I'm doing this in Power Pivot, so am limited to DAX formulas
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Nov 20, 2015
Q1-2013 Q2-2013 Q3-2013 Q4-2013 2013 Total
Distinct Count Member Distinct Count Member Distinct Count Member Distinct Count Member Member Months
AMBULANCE - LAND 264 301 355 352 1272
AMBULATORY SURGICAL CENTER 16 38 30 34 118
COMMUNITY MENTAL HEALTH CENTER 6 7 11 13
I have the above data, and want to create a column adding up the Distinct count member of each quarter. The number of distinct count member of each quarter is from a measure. The result I want to create is the column of 2013 Total Member Months as shown above. How to create a dax formula.
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Aug 24, 2015
Using PowerPivot I created a connection to a view on a SQL Server database. All fields imported correctly.A column has since been added to the view. How do I get this to appear in my PowerPivot?
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Sep 4, 2015
I have two tables shown below and I wish to add a calculated column to Table 1.
Table1 Table2
ID Activity Activity 1 Activity 2 Activity 3 etc etc etc Total
1 Activity 1 values values values Total value
2 Activity 2 values values values Total value
3 Activity 3 values values values Total value
etc
I want each row in the new column to show the corresponding activity divided by the sum of the total. So in the row with Activity 3 I want the formula SUM(Table2[Activity 3])/SUM(Table2[Total]). Also the number of activities will vary.
I am actually wanting to calculate a more complicated formula which calculates the correlation .
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Oct 1, 2015
I have a problem copying data from column A to column B in Power Pivot.
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Oct 30, 2015
I have written a simple DAX calculated column formula using SEARCH and got an error: It tells the text "PWP" cannot be found but as you can see the screen shows this text exsist within "Promotional Claim"The same happens when I try FIND function.
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Oct 13, 2015
My simplistic data model looks like this:
Table.1
Spread Product Sales Channel ..
2 x CB ..
2 y CB …
4 x GFR ..
4 y GFR ..
I need a column with Spread Mapping, which should look like this:
->There are more columns in data model.
-> Spread for GFR is wrong so it must be mapped to be able to compare with CB
I guess there should be calculated column formula to calculate Spread Mapping. How to do it?
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Nov 3, 2015
I've been trying to use a simple calculate forumla when adding a column
CALCULATE(SUM([Credit]),
FILTER(ALL([Date],[Date]<=MAX([Date])))
or just a CALCULATE(SUM([Credit])
And I have always the same error
Calculate is not recognized. I've try it on PowerBI and Excel ...
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Nov 15, 2011
I have 2 excel tables files.One table has info about sales by country, by model, by date...and the other table has units by date.Obviously, the common key is "date"....and by creating a relationship, I can add "units" to my combined resulting table.However, I can't create the relationship. Excel keeps telling me: "the relationship cannot be created because each column contains duplicate values. Select at least one column that contains only unique values".
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Aug 16, 2015
experimenting with powerpivot and I use an simple example of the AdventureworksDW in Powerpivot.
If i use the RELATEd function with Product and ProductSubCategory the column is empty and I expect values.
Relationships are rightfully defined. What am i doing wrong?
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Jul 20, 2015
I'm trying extract a column from the table based on certain Conditions: This is for PowerPivot.
Here is the scenario:
I have a table "tb1" with (project_id, month_end_date, monthly_proj_cost ) and table "tb2" with (project_id, key_member_type, key_member, start_dt_active, end_dt_active).
I would like to extract Key_member where key_member_type="PM" and active as of tb1(month_end_date).
Is this possible using DAX ?
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Nov 16, 2015
I have a table ComponentPeriod. In it we have the combination of a component (e.g. A,B,C ) and a period (2014 Q1, 2014 Q2, 2014 January etc)I want the periods to be in descending order (2015 Q4, 2015 Dec, 2015 Nov, 2015 Oct, 2015 Q3 ... etc) and so I need to create a sequential number series to allow this to happen (as we can only order in the client tools by a single column - and so I guess the technique I'm looking for is used a lot to produce these types of "order by" columns)
I have done this in the past using
Period_Sequence =
calculate
(countrows(Period)
,filter
(Period
, Period[Start_Date] <= earlier(Period[Start_Date])
&& Period[Duration_String] = earlier(Period[Duration_String])
)
)
Which was fine when I was referring to a table where Periods where distinct directly but now I have denormalised this for ComponentPeriod so I need something a little more sophisticated Whats the best way to get a sequence with perhaps some partitions in across a subset of distinct columns (I guess from SUMMARIZE or similar)
E.g. I want
Period_Name, Type, Sequence
2015 Q4, Quarter, 1
2015 Dec, Month, 2
2015 Nov, Month, 3
2015 Oct, Month, 4
2015 Q3, Quarter, 5
2015 Sep, Month, 6
etc
even though there may be multiple records in ComponentPeriod that have the period 2015 Q4, but I want them all to have the value Sequence value of 1? I've got as far as:
Period_Sequence Desc =
calculate
(countrows(summarize(ComponentPeriod, ComponentPeriod[Period_End_Date]))
,filter
( ComponentPeriod
, ComponentPeriod[Period_End_Date] >= earlier(ComponentPeriod[Period_End_Date])
)
)
But this doesn't distinguish between the different types. I need an equivalent of the t-sql -
row_number() over (order by Period_End_Date desc, case when 'P3M' then 1 when 'P1M' then 2 end asc
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Jul 13, 2015
I am looking to add a column to one of my tables that displays a running rank of how many times a customer has ordered in a given period.
I currently have such a column however this column ranks against ALL of the orders that a customer has placed and ignores filters, whereas I need one that ranks based on the filters that are active at any given time.
The current formula is:
CustOrderCountPersistant=RANKX(FILTER('Q1 Data Set',[k1_customer_id]=EARLIER([k1_customer_id])),[order_id],[order_id],1,DENSE)
For example, if I am looking at a full years worth of data and a customer has placed 10 orders in that period this formula will add a 1 in the column for first order, a 2 for the second and so forth all the way to 10, the last order.
However it will give me exactly the same results if I filter the data to just one month of that year where they may have order only 2 orders.
In this scenario I want to have another column with a table that is filter sensitive and would show 1 for the first order and 2 for the second order.
Now, I do understand that the issue here is probably the FILTER() I have on as, if I understand correctly, that means all other filters are ignored. My attempts at reworking the formula to remove this have been unsuccessful (such as using a CALCUALTE and trying to use filter properties within that forumula).
To explain the context - I want to create a measure that counts how many customers have placed x amount orders in y number of days e.g. how many customers have placed 2 orders in 30 days.
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Oct 15, 2015
Is it possible to include a currency symbol in an amount-field in PowerPivot/Pivottable based on a Currency column in a table? Something as the same as with SSAS MD. And I don't want fixed values in my code.
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