Time series chart in null date

Hi, everyone
Currently using
Crystal Reports 2008 Product: 12.7.0.1983
I make time series chart using a line graph.
№      X-axis          Y-axis
1        2014/1/1          100
2        2014/1/2            20
3        2014/1/3          null
4        2014/1/4          500
Null becomes 0 when I make an upper list a chart.
I skip a date of null, and may you make a time series chart?
Regrards,
Kano

Hi, Jamie Wiseman
Thank you for an answer
In the case of the above,can you not draw a line in 2014/1/2 and 2014/1/4?

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    Alternatively I can change the scatter chart to use a line. Anychart has the option to use a line (line_style)  but this isn't included in apex and it cant be added to the XML because it exists within the #DATA# section so the only way would be to fudge the series query to bring that back before the data.
    I would have thought that a time series plot would be quite a common requirement - have I missed it somewhere?
    Kathryn

    Hi thanks for the reply.
    I have attached the report I have made. I have written a VBA code to fill in all the details and graphs accordingly. Now the test requirements are as given in the table. I need to specify that in the graph. I dont want the encircled straight line. Just the 2 limits from 10 to 30 ms. In fact the more correct and logical wasy of representing the limits would be 3 horizontal lines, 1 at 10 ms from 22.5-27.5g, 1 at 20 ms from 17.6-22.6g and 1 at 30 ms from 12.5-18.5g.
    Hope i have put my doubt across clearly. Again with the code you have given, I dont know how to 'tell' diadem to plot that particular graph in that particular X-Y plot in the report/LPD.
    For the 2 lines, this is the code i have written.
    'Find 10 ms time
            L3= ChnLength(1)
            L4 = 0
            Do while (L4 < L3)
            L4= L4 + 1
            R1= ChD(L4,1)
              If (R1 > 0.01) Then
                    Exit Do
              end if
                     Loop   
            L4= L4 - 1
            LT10=L4
    'Find 20 ms time
            Do while (L4 < L3)
            L4= L4 + 1
            R1= ChD(L4,1)
              If (R1 > 0.02) Then
                    Exit Do
              end if
                     Loop   
            L4= L4 - 1
     LT20=L4
     LT1 = LT20-LT10
              For i  = 0 to LT1 'Lt1 is var for channel length from 10 ms to 20 ms
                ChD(LT10+i,"Upper limit") = 27.5-(4.9*i/LT1)
              Next
     Thanks again. Waiting for your kind help!
    Attachments:
    neck cal.jpg ‏150 KB

  • SAP HANA One and Predictive Analysis Desktop - Time Series Algorithms

    I have been working on a Proof-of-Concept project linking the SAP Predictive Analysis Desktop application to the SAP HANA One environment.
    I have modeled that data using SAP HANA Studio -- created Analytic views, Hierarchies, etc. -- following the HANA Academy videos.  This has worked very well in order to perform the historical analysis and reporting through the Desktop Application. 
    However, I cannot get the Predictive Analysis algorithms -- specifically the Time Series algorithms -- to work appropriately using the Desktop tool. It always errors out and points to the IndexTrace for more information, but it is difficult to pinpoint the exact cause of the issue.  The HANA Academy only has videos on Time Series Algorithms using SQL statements which will not work for my user community since they will have to constantly tweak the data and algorithm configuration. 
    In my experience so far with Predictive Analysis desktop and the Predictive Algorithms, there is a drastic difference between working with Local .CSV / Excel files and connecting to a HANA instance.  The configuration options for using the Time Series Algorithms are different depending upon the data source, which seems to be causing the issue.  For instance, when working with a local file, the Triple Exponential Smoothing configuration allows for the specification of which Date field to use for the calculation.  Once the data source is switched to HANA, it no longer allows for the Date field to be specified.  Using the exact same data set, the Algorithm using the local file works but the HANA one fails. 
    From my research thus far, everyone seems to be using PA for local files or running the Predictive Algorithms directly in HANA using SQL.  I can not find much of anything useful related to combing PA Desktop to HANA. 
    Does anyone have any experience utilizing the Time Series Algorithms in PA Desktop with a HANA instance?   Is there any documentation of how to structure the data in HANA so that it can be properly utilized in PA desktop? 
    HANA Info:
    HANA One Version: Rev 52.1
    HANA Version: 1.00.66.382664
    Predictive Analysis Desktop Info:
    Version: 1.0.11
    Build: 708
    Thanks in advance --
    Brian

    Hi,
    If you use CSV or XLS data source you will be using Native Algorithm or R
    Algorithm in SAP Predictive Analysis.
    When you connect HANA, SAP Predictive Analysis uses PAL Algorithm which runs
    on HANA server.
    Coming to your question regarding difference,
    In SAP PA Native Algorithm, we could provide the Data variable, Algorithm
    picks the seasonal information from the Data column. Both R and SAP HANA PAL
    does not support Date Column. We need configure seasonal information in
    Algorithm properties.
    R Properties
    1) Period : you need to mention the periodicity of the Data
    Monthly : (12)
    Quarter : (4)
    Custom : you can use it for week or Daily or hourly.
    2) Start Year: need to mention Start year.
    Start year is not used by algorithm for calculating Time series, but it helps
    PA to generate Visualization ( Time series chart) by simulating year and
    periodicity information.
    3) Starting Period:
    if your data is Quarterly and you have data recordings from Q2, mention 2 in
    start period.
    Example.
    If the data periodicity is Monthy and my data starts from Feb 1979, we need to provide following information,
    Period: 12
    Start year: 1979
    start Period: 2
    PAL Properties. : Same as properties defined in R.
    Thanks
    Ashok
    [email protected]

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