basically i have the same problem with this and use this solution too https://community.tableau.com/s/question/0D54T00000C6aS6/datediff-in-lod
so i want to count time diff between transaction for each transaction and for each users, basically my problem is just like this
same with that, ON interaction id = user id in my real data, so i want to know time different between date transaction for each users.
based on that, i made this on calculation DATEDIFF('day',LOOKUP(MIN([Created At]),-1), MIN([Created At]))
and here's the results
what makes me confuse is, why the first transaction of users always have time difference, instead it must be nothing because there's no time difference if you do first transaction, so how to make it not appear?
Create a table calc field for First
FIRST()=0
Edit the table calc so it resets ever new user id.
Now filter for False. You can remove it from Rows, I just kept it there for demo. Your calculation will still work.
Related
I am trying to figure out how to write a formula in the record selector that would allow me to select records in a specified list....but ONLY if there is also a specific record.
In My example. I am pulling earnings codes for employees from specific payroll transactions. For each Transaction date...each employee will have up to 10 codes.
I have my record selection set as this to narrow down the codes I want to see:
{UPCHKD.EARNDED} in ["01", "02", "BNSQT", "BVMT", "CASHBO", "FLAT", "HOL", "HOLPAY", "WAPFML"]
The issue is that I only want to see the first 8 codes IF there is also the WAPFML code. I can't figure out how to tell the record Selector to pick records that have BOTH WAPFML and any of those other 8 codes.
{UPCHKD.EARNDED} in ["01", "02","BNSQT", "BVMT", "CASHBO", "FLAT", "HOL", "HOLPAY", "WAPFML"] and
{UPCHKH.TRANSDATE} in {?Beginning Check Date} to {?Ending Check Date}
I hoped to see only checks where the WAPFML code existed. But I'm obviously returning checks that may not have that code. Using Group selection doesn't work as then I don't see the lines for the other codes.
Assuming you are grouping on {Employee_ID}, Add a group selection formula of MAX({UPCHKD.EARNDED}, {Employee_ID} ) = "WAPFML"
This takes advantage of the fact that "WAPFML" happens to be the largest alpha value in the set. If that is not the case, a more robust approach is to add the UPCHKD table a second time (with an alias), join on same Emp_ID to the first alias, and add a record selection condition on the 2nd alias forcing it to be "WAPFML"
OH I GOT IT! I was grouping by Employee and then transaction date. I entered Maximum ({UPCHKD.EARNDED}, {UPCHKH.TRANSDATE}) = "WAPFML" and took maximum of each transaction date and BOOM. Which now makes all the sense in the world. Thanks so much MilletSoftware for helping me!
I have a query from another thread which goes through a list of different events and pulls out the most recent event and puts it into a list. The code I'm using is:
SELECT Cleaning1, Max(Date1) AS most_recent
FROM CleaningLog
GROUP BY Cleaning1;
Cleaning1 is the column that has the different cleanings, and Date1 is the column that has the date the cleaning occurred, and CleaningLog is the name of the table. I currently have a macro in Access which is an OpenQuery, query. I am having it open the above query, and then having it view as a data sheet and it's in edit mode.
What I am stuck on, is getting a subsequent macro/query/vba code to take the datasheet the query produces and going through each item and determining if they're over due to be cleaned. I tried having a Make Table query, but the problem is, there is no user friendly way to refresh that table without having to delete it (I am having unskilled workers use this Access sheet).
I am wondering if there's a way to look at the most recent cleaning's date, what the query produces, and filter the dates out that are over due for a cleaning, specified by a parameter. I have been looking at this webpage to start playing with the notation, but I haven't been able to come up with much that is useful.
https://support.office.com/en-us/article/Examples-of-query-criteria-3197228C-8684-4552-AC03-ABA746FB29D8
Another problem that I am encountering is that each cleaning doesn't have the same time frame in which is needs to be cleaned.
Thank you in advance for any help!!
You should just be able to modify the query above to show entries with a max date lower than they should be. Below shows entries that haven't been cleaned in 30 days, for instance.
SELECT Cleaning1, Max(Date1) AS most_recent
FROM CleaningLog
GROUP BY Cleaning1
HAVING Max(Date1) < Now() - 30;
I have to work on an application in which we are getting list of orders(with all details and display_time) and we have to show them in list view, but the condition is we have to show particular order on their exact display_time.
For example below are some orders with display time:
order_id: 101 |
display_time (hh:mm:ss): 09:10:00
order_id: 102 |
display_time (hh:mm:ss): 09:30:00
Then the requirement is:
We have to show the orders on list on exact their display time.
All order should come instantly as they entered in database.
Edit
The first thing that I need is:
To get the order from database (SQL Server) instantly without hitting
any API. Like push notification.
Then the second need is:
To compare the device's time and order's display_time and if its matched then make visible the order in ListView. I have to do this for each order i think.
I don't know how can I do this.
So please suggest how can we do the above task.
I hope I understand correctly. Mainly you want the list of items to be in the order of time from earliest to latest.
Here is one algorithm and it could be enhanced.
Allocate 100 (arbitrary) items/rows in the Listview.
If you only have 2 items or orders initially, make the other 98 rows not visible (state).
If a new order is entered, add the new order into one of the non-visible rows. And make it visible of course.
The issue in this case, you may have to reorder the items above the new order. However this is only a manipulation of text in your rows. A data structure is necessary to support this.
I claim this algorithm is fast. I think this is a good start.
Tough problem I am working on here.
I have a table of CustomerIDs and CallDates. I want to measure whether there is a 'repeat call' within a certain period of time (up to 30 days).
I plan on creating a parameter called RepeatTime which is a range from 0 - 30 days, so the user can slide a scale to see the number/percentage of total repeats.
In Excel, I have this working. I sort CustomerID in order and then sort CallDate from earliest to latest. I then have formulas like:
=IF(AND(CurrentCustomerID = FutureCustomerID, FutureCallDate - CurrentCallDate <= RepeatTime), 1,0)
CurrentCustomerID = the current row, and the FutureCustomerID = the following row (so it is saying if the customer ID is the same).
FutureCallDate = the following row and the CurrentCallDate = the current row. It is subtracting the future call time from the first call time to measure the time in between.
The goal is to be able to see, dynamically, how many customers called in for a specific reason within maybe 4 hours or 1 day or 5 days, etc. All of the way up until 30 days (this is our actual metric but it is good to see the calls which are repeats within a shorter time frame so we can investigate).
I had a similar problem, see here for detailed version Array calculation in Tableau, maxif routine
In your case, that is basically the same thing as mine, so you could apply that solution, but I find it easier to understand the one I'm about to give, I would do:
1) Create a calculated field called RepeatTime:
DATEDIFF('day',MAX(CallDates),LOOKUP(MAX(CallDates),-1))
This will calculated how many days have passed since the last call to the current. You can add a IFNULL not to get Null values for the first entry.
2) Drag CustomersID, CallDates and RepeatTime to the worksheet (can be on the marks tab, don't need to be on rows or column).
3) Configure the table calculation of RepeatTIme, Compute using Advanced..., partitioning CustomersID, Adressing CallDates
Also Sort by Field CallDates, Maximum, Ascending.
This will guarantee the table calculation works properly
4) Now you have a base that you can use for what you need. You can either export it to csv or mdb and connect to it.
The best approach, actually, is to have this RepeatTime field calculated outside Tableau, on your database, so it's already there when you connect to it. But this is a way to use Tableau to do the calculation for you.
Unfortunately there's no direct way to do this directly with your database.
I have a fairly simple problem, but I don't think I understand SSRS and scopes well enough to figure this out.
What I have is a case (one entity) that can have multiple appointments (another entity). Appointments have a date and a status. I want to display the next soonest appointment date and its status. To display the date I'm using
=Min(IIf(Fields!appt_start.Value > Globals!ExecutionTime, Fields!appt_start.Value, Nothing))
The idea is that I first pick only those appointments that occur in the future, and then grab the soonest one. It seems to work great.
Now, I need to apply the same filtering logic, but display the appointment status rather than the date. From my understanding, this is where scopes would come in. I could limit my scope to just the appointment I want, and then show its status. But I don't understand how to do that.
One way to go about this particular problem would be to use a filter in combination with the First function. Add a filter to the table to only show dates greater than the current day. Use a table row with no grouping and use expressions like this:
=First(Fields!appt_start.Value)
=First(Fields!appt_status.Value)
Another option would be to add calculated fields to the dataset to only populate values such as status when the date is greater than the current day. This is useful if you need to show more information later on.
Edit: Yes, you would want to sort the data by date for the First function to work right. You can actually filter at 3 different levels in SSRS. Right-click on your dataset and go to Dataset Properties. Click on Filters. Click Add. Fill in the expression, operator, and value to meet your need. You can also do this in the group properties or the table properties.