Anova 1 d return NaN values

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• Vi return NaN mode

  I use the function to calculate the value of a table mode and it returns NaN. Help of LabVIEW says that she only returns NaN at the entry of the array is empty. I don't know why this is happening. My table is

  0,00015

  0.000114

  0.000146

  0.000188

  0.000139

  I tried with value mulitple of intervals.

  

  Thanks in advance.

  In this case, NaN means that no method has been found.  Look at it this way... you have a group of numbers and say to LabVIEW for break in 1000 separate "bins." If each tray has only 1 value in it, then there is no mode - no value that appears more often than other values.

  For all of your data, any number of intervals of < =="" 14="" will="" return="" a="" mode.=""  any=""> 15 returns NaN.

• Analysis.Math.Statistics fails when NaN values are included in the entry tables

  Hi all..

  With the help of Measurement Studio to Version 8.9 of .net. We need calculate statistics on a table that contains a double. NaN values. When I do this I get NaN as the result of any of the statistical methods (average, STDS etc.) ... Interestingly, the Math.ArrayOperations methods look like they work. Any ideas?

  Thank you

  gdssoftware

  Hi GDSSoftware,

  You see this behavior because the statistical functions with Measurement Studio ignore not input values NaN - that is why, they will return results NaN.  To work around this problem, you will need to filter these NaN values out of your input array before performing statistical analysis on this subject.

  If you're working with .NET 3.5 and later versions, you can do this by using the following:

  Double [] vals = new double [] {0d, 6 d, 10 d, 4 d, double. NaN};
  Double [] nanless_vals = vals. Where (d =>! double.) IsNaN (d)). ToArray();

  If you use an earlier version of the .NET framework, you will need to perform a loop on the table with the following (or something similar):

  Double [] vals = new double [] {0d, 6 d, 10 d, 4 d, double. NaN};
  List nanless_list As new List();
  for (int i = 0; i)< vals.length;="">
  If (! double.) IsNaN (vals [i]))
  nanless_list. Add (Vals [i]);
  Double [] nanless_vals is nanless_list. ToArray();

  I hope this helps!

  Kind regards

  Stephanie R.

  National Instruments

• Gauss hypergeometric function does not return a value

  I need evaluate the Gauss hypergeometric function (mathematics > elementary > hypergeometric functions > Function.vi Gauss) for one of the following constants:

  a = 11/6

  b = 1/6

  c = 5/6

  for different values of x, all of which are negative.  A value of x is - 4.  When I run a VI with this function, it returns NAN.  I don't know what is current as the help file says the function is set to leave Neg. infinite to 1.  A condition is placed above being defined more precisely to 1 which I'm not interested.

  We used a script MATLAB Labview node to calculate these values successfully.  I know that some other programs can only calculate the function for | x |< 1,="" but="" the="" help="" file="" in="" labview="" claims="" it="" doesn't="" have="" this="" limitation="" as="" is="" the="" case="" with="" matlab.=""  can="" anyone="" else="" confirms="" this="" problem="" or="" am="" i="" just="" overlooking="">

  Also, it would be useful to check with Mathematica to verify that I did stupid miscalculation...

  Third time is a charm.

• meter returns garbage values

  I use cDAQ 9184 and 9401 digital I/o card, I use the counters available for the measurement of the frequency (pulses are generated by a sensor hall, whose frequency I want to measure to estimate the speed of the motor DC.) But the problem is that this counter returns garbage values. I tested the card and its counters that they are working correctly. What could be the possible causes of what is happening?

  attach a snapshot of the VI.
  Please hep out me as soon as possible.

  Thank you and best regards.

  

  Are these garbage values much higher frequency than you expect?  If so, you're probably picking up noise and should allow the filter PFI for your task.

  

  Best regards

• NaN values in table

  Hello

  I got a code made by my colleague who is no longer with us. In a column of table 8 and not generated by program. lines to initialize all values such as NaN values. I've never met before NaN values.

  Research, I understand this isn't a number, but it's not really make much sense to me. Why the table cells are written as NaN? What is the meaning of NaN? Can I leave empty cells and not showing no no NaN inside?

  Kind regards

  Austin

  Ok. Yes, I now understand the meaning. So if I create a table in the future and I want to configure a few lines to NaN values. How can I do. Is there a constant called NaN?

• How can I delete a table NaN values?

  I'm testing if an array values are less than 0.001. They are all... BUT the problem is that some of the elements of the array are NaN values. I want to do two things:

  1 remove NaN of the array elements and put them to zero to make the test work.

  2 to understand that NaN elements are tested.

  The results in an array of Boolean values of T, F. If all the values of the boolean chart are T, resulting in a single Boolean value of t. # 2, I I want to test if an element of the array is less than OR equal to 0.001 NAN.

  twolfe13 wrote:

  I'm testing if an array values are less than 0.001. They are all... BUT the problem is that some of the elements of the array are NaN values. I want to do two things:

  1 remove NaN of the array elements and put them to zero to make the test work.

  Various positions have been in the past to the deletion of items in a table. I'm sure that you took the time to research before you posted, right? In any event it seems not that order is important here, so the best way to proceed is to sort the array and then search for the first occurrence of NaN. Just do a comparison on the subset of the front table of this index.

  2 to understand that NaN elements are tested.

  The results in an array of Boolean values of T, F. If all the values of the boolean chart are T, resulting in a single Boolean value of t. # 2, I I want to test if an element of the array is less than OR equal to 0.001 NAN.

  Use the Boolean function gold and the function of Not a number/path/Refnum .

• Guest user does not return a value

  I have a user prompt dialog box which is a slightly modified version of questioning the standard user to enter VI express. I tried to change the VI so that it would allow the user to close the command prompt by pressing the enter/return key. The final objective is to have the popup dialog, the user will scan a bar code and barcode reader adds a carriage return, automatic closing of the dialog box character.

  I have followed this user lyrics: https://decibel.ni.com/content/docs/DOC-13973. The only difference between my code and the code it is that my user dialog box returns a string instead of a number. See below for my code.

  

  

  The problem that I am running is the string "Item number2" never really returns any value once it's called. The indicator on the front panel of the updated the express vi displays the correct value after you run, but the value is never returned to the VI, who called the dialog box. The express vi the value default value is successfully returned. The only change I made was the addition of the structure of the event, so I have to assume that my code does not go inside this node.

  Any thoughts are appreciated.

  Adjust the chain drive on 'Update value then of the hit'.

  

• Line tool command that returns a value

  Is it possible to compile a VI to work as a tool of command line that accepts arguments and returns a value? I need to create commands that will be run from a shell script and return values that will be used in the script in order to evaluate the results. If possible, the type and the range of values can be returned? I've seen a few posts on the masking of the façade, but none on the return a value to the shell of the appellant.

  Andrey,

  Thanks for your help. The only thing missing from your response to me was that I use c#. In this case, you simply have to add code to manage a DLL unmanaged like this:

  using System.Runtime.InteropServices;

  public class Win32

  {

  [DllImport ("Drive Letter: \\path to dll\\DLL Name.Dll")]

  public static extern double Testing();

  }

  After you have added this code to import the DLL in a class of your choice, you can call the function to run the LabVIEW VI library.

  Best regards

  Timothy

• bbUI.js and localStorage.getItem return null values

  Hello

  I build a WebWorks app with bbUI.js for BB10 and I run problems when I want to retrieve items of localStorage. Their storage is no problem. Here is my architecture:

  1. index.html which uses localStorage.getItem in a function ondomready for 1 screen (fueltracker.html), it works
  2. JS/Register.js with functions like registerUser(), registerEngine(), registerBrand(), registerModel() called when onclick in their respective screens, see below
  3. RegisterUser() calls register.html
  4. registerBrand() calls addCar.html
  5. registerModel() calls addModel.html
  6. registerEngine() calls addEngine.html
  7. fueltracker.html which has a few buttons that the label should be changed to values from localStorage

  The register() functions make a call to localStorage.setItem (), working (i.e. the values are defined). However, in some cases parts of objects stored in localStorage it update, so this object must be recovered first, updated and then stored again. Unfortunately the calls localStorage.getItem () does not return the value that is stored in the localStorage.

  So how does it do?

  Yes Chad, variables have been established.

  It's the same problem as this one: http://stackoverflow.com/questions/2010892/storing-objects-in-html5-localstorage (objects cannot be stored in LocalStorage, single key-value pairs, so items must be chained before putting them in the LocalStorage). The getObject() en index.html setObject methods and their use instead of getItem() and setItem() solved the problem.

• Function return undefined values

  My function returns undefined values. It seems that the return of the function statement is executed before the database is queried and values are assigned to variables. If I do an alert within the loop for () I get the correct values from the database, but these values are not affected before excecuting the return statement function. How can I do this differently?

  function getColumnNames(table){
      var rs1, rs2, rs3, rs4, rs5;
      db.transaction(function (tx) {
          tx.executeSql("SELECT * FROM schema WHERE table_name=?",[table], function(ax, results){
              var size = results.rows.length, i;
              var item;
              for (i = 0; i < size; i++){
                  item = results.rows.item(i);
                  rs1 = item.col1;
                  rs2 = item.col2;
                  rs3 = item.col3;
                  rs4 = item.col4;
                  rs5 = item.col5;
                                  alert(rs1); //correct value is returned here
              }
          });
      });
      return [rs1, rs2, rs3, rs4, rs5];
  }
  

  Hey Fabian,.

  You are quite correct that the return statement is executed before the database returns the results. There are ongoing asynchronous calls. You can set breakpoints in JavaScript code to see what is happening. You can correct the problem by using function callbacks. I edited your code below to use the callback functions - there might be a few typos, but the general approach should be wooded.

  function getColumnNames(table, callback){
      var rs1, rs2, rs3, rs4, rs5;
      db.transaction(function (tx) {
          tx.executeSql("SELECT * FROM schema WHERE table_name=?",[table], function(ax, results){
              var size = results.rows.length, i;
              var item;
              for (i = 0; i < size; i++){
                  item = results.rows.item(i);
                  rs1 = item.col1;
                  rs2 = item.col2;
                  rs3 = item.col3;
                  rs4 = item.col4;
                  rs5 = item.col5;
                      alert(rs5); //correct values are being returned
                  callback([rs1, rs2, rs3, rs4, rs5]);
              }
          });
      });
  }
  
  // example of how to call getColumnNames with callback
  getColumnNames('importantTable', function (result)
  {
      console.log(result);
  });
  
  // alternative version
  function onCallback(result)
  {
      console.log(result);
  }
  
  getColumnNames('importantTable', onCallback);
  

  I hope this helps.

  See you soon,.

  James

• COS() returning incorrect values

  Hi, anyone of you tried get values of cos() to native c++... ? It seems that sin values are correct, but the cos returns incorrect values. As for example, sin(pi/2) Returns infinity. No idea what could be wrong?

  @SuhairZain,

  #include 
  #include 
  int main(void)
  {
          float pi = 3.14159265f;
          printf("Result: %f\n", sin(pi/2));
  }
  

  Result: 1.000000

• Do stuff to PL/SQl that returns the value and redirect to modal page by setting this value

  Hello

  a button click Page1 I would perform a PL/SQL procedure that returns a value in P1_ITEMVAL and then redirect to a page 2 (modal page) and the value of an item on this page with the value previously returned. To do the same thing with a normal page is quite easy:

  Button action is present, then process of PL/SQL that returns the value in the P1_ITEMVAL element and, finally, a branch at page 2 that sets P2_ITEMVAL with P1_ITEMVAL. I really have no idea how to do the same thing when the target is a modal page.

  I created a unit test on https://apex.oracle.com/pls/apex (application 1554 - redir_to_modal)

  Workspace: tests

  USER: supporter

  PWD: supporter1234

  Any help would be much appreciated.

  Kind regards

  Pavel

  Pavel

  If you prepare a URL using the value calculated in the PLSQL of DA part you can then use a subsequent stage of javascript to set the location of the window.

  This will jump to the top of the page of the modal dialog box

  : P1_URL: = apex_util.prepare_url)

  ' f ? p ='|| : APP_ID - Application id

  |': 2' - Page id

  ||': ' || : APP_SESSION - Session id

  ||':'                      -- Request

  ||':NO'                    -- Debug

  : ': ' - Clear Cache

  : ': ' - Settings

  ||' P2_ITEMVAL'

  : ': ' - Parameter values

  || (: P1_ITEMVAL);

  then in the action of javascript

  Window.Location.Replace ($v ('P1_URL'));

  Hope this is of some use

  Concerning

  Kelvin

• Cannot return a value in LOV

  Dear all,

  I have create a LOV in my code field that is a primary key at my table. And I can't return the value from the lov,

  I get the below error.

  oracle.jbo.InvalidOperException: Houston-29114 ADFContext is not configured to process this exception messages. Use the code of exception stack trace and error to investigate the root cause of this exception. Root cause error code is Houston-34014. Error messages settings are {0 = oracle.jbo.Key [null A9], 1 = root}

  Please note that am I 1 primary key with 2 field in my table.

  And note that use jdev 12.1.3

  Another solution...!

  There is always another solution:

  -' they' can remain on Oracle Forms and forget ADF

  -' they' can refine their requirements to equip the technical constraints of the ADF

  -' they' can use some other technologies instead of the ADF

  Dario

• What subprogramme should we prefer to return multiple values with OUT parameter?

  Hello

  I worked on the procedures and functions, and aware of their differences. Today I have an interview question that - suppose I don't have return multiple values through a subroutine and I want nor run any what DML within this subprogramme and I want to use this subprogramme in the SQL query. What subprogramme I would prefer - "Operating Mode" or "Function" and why?

  In my view, both can be used in this case, but want to see your views and opinions.

  Kind regards

  Sachin jerbi

  In terms of software engineering, if you claim something that you expect to "return" something (a value or values) then you use a function.  If you call something to "do" something, and then you use a procedure.

  THE settings are not good practices in many cases and should not strictly considered "return" of values.  Instead, they are assigned values in the code and generally act as pointers to the original variable/structure that was passed as a parameter (the actual internals of Oracle don't quite do it, but in principle this is what they do).

  A return value (or structure) of a function is basically push in the battery to the point that the RETURN statement is issued, and then the code calling the stack appears to assign it to a variable or placeholder, it should go in.

  If it seems a little difference between procedures and functions to some people, it is recommended to use functions for obtaining values and procedures to do things, in most cases.  It is not just "syntactic sugar", as mentioned above.