| Author | Message | |||
     Jos� Ram�n Cuesta (jrcuesta) Member Username: jrcuesta Post Number: 13 Registered: 11-2009 |
I check again on my labtop, using a simple equation with an intercept b0, and a unique coeficient b1 at a wavelength asociated with a water band (with the demo.cal file) at an easy math treatment like MSC 0011, just for testing. I saved the equation ans used it in the monitor to predict some samples and I got results. It should be the same connected to the instrument. Anyway, please check this and let us know. Yo can calculate more coeficients doing first a MLR equation in Win ISI and adding the coefficients to an equation from the keyboard. | |||
| KongFanli (kongfanli) New member Username: kongfanli Post Number: 1 Registered: 10-2011 |
Hi, I was able to crete a new .eqa file from the keyboard and save it. But i have a problem, the new equation could not predict the sample. Is anything wrong with it? | |||
| Maris Stegenburgs (mariss) Junior Member Username: mariss Post Number: 6 Registered: 10-2010 |
Hi Jos� Ram�n, I got version 1.63 and it works! Thank You very much! Best regards, Maris | |||
| David W. Hopkins (dhopkins) Senior Member Username: dhopkins Post Number: 171 Registered: 10-2002 |
Hi Jos� Ram�n, Thanks for the screen shots. The method you are describing is a very nice feature of the ISI software, enabling the use of Multiple Linear Regression (MLR) calibrations that may be available for determination of parameters from the complete scans from the Model 6500. These calibrations typically use 2 to 5 (or as many as may be required) selected wavelengths, and it is reasonable to enter the coefficients into the software via the keyboard. One would not want to enter up to 1050 coefficients for a full spectrum calibration in this manner. This is the problem I thought Maris was seeking to solve. Best wishes, Dave | |||
| Jos� Ram�n Cuesta (jrcuesta) Junior Member Username: jrcuesta Post Number: 9 Registered: 11-2009 |
Hi Mari, Yo can download from www.winisi.com the last version for Win ISI 3 (1.63). I tested and for some types of instruments like NIRSystems 4500 you can develop the eqa from the keyboard, for other types of instrument you get the error message. See attachment document BR Jos� Ram�n
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| Maris Stegenburgs (mariss) New member Username: mariss Post Number: 4 Registered: 10-2010 |
Hi all, I am very impressed, how much kind people are in this forum! My WinISI version is III 1.61. It is quite strange that keyboard input is working in older and newer versions, but not in 1.61. I tried fresh install, same result. OK, I will try to ask to FOSS - ISI team. I know FOSS as sevice engineer for 15 years and for my experience sometimes it is realy hard to get thru FOSS shields to important people :-) That's why I decided first to ask here. To David: yes, eqa is binary file, so we can not edit or create it directly. To Pierre: I appreciate your help, but I can not abuse it just because of my experimentator curiosity. What I was experimenting with is Eureqa software from Cornell University - just in case someone else is willing to try it. Best regards, Maris | |||
| Jose Miguel Hernandez Hierro (jmhhierro) Member Username: jmhhierro Post Number: 11 Registered: 4-2008 |
Hi Maris, I have tried it with WinISI II v 1.50 and it works. I was able to crete a new .eqa file from the keyboard and save it. Best regards Jos� Miguel | |||
| Pierre Dardenne (dardenne) Senior Member Username: dardenne Post Number: 51 Registered: 3-2002 |
Maris, Mark Westerhaus is certainly the best person able to help you. But I could try. Do send me the model in a txt file or excel and one spectrum to test. (dardenne at cra.wallonie.be) Pierre | |||
| David W. Hopkins (dhopkins) Senior Member Username: dhopkins Post Number: 170 Registered: 10-2002 |
Hi Maris, Are you able to open an *.eqa file from WinISI with a text editor such as MS Word or Notepad? Or, is the problem that the file structure is binary? If Jos� Ram�n can create a file, it certainly seems that you should be able to do it too, as long as you know the file structure. There is probably more information than simply the wavelengths and coefficients, such as the type of data (transmission or log reflectance), pretreatments, etc. Regards, Dave | |||
| Jos� Ram�n Cuesta (jrcuesta) Junior Member Username: jrcuesta Post Number: 8 Registered: 11-2009 |
Hi Maris, I check with Win ISI 3 1.50e and it works. I was able to save a new eqa file from the keyboard. Best Regards Jos� Ram�n | |||
| Howard Mark (hlmark) Senior Member Username: hlmark Post Number: 357 Registered: 9-2001 |
Maris - have you checked with ISI? Mark Westerhaus should be able to tell you what can and can't be done with ISI. \o/ /_\ | |||
| Maris Stegenburgs (mariss) New member Username: mariss Post Number: 3 Registered: 10-2010 |
Hi David, My intention is to produce *.eqa file understood by FOSS instruments. Since I experiment with software not directly intended for spectroscopy, I need somehow to "translate" equations to eqa format. So, keyboard input in WinISI, then saving as eqa seemed OK. But no luck so far. Best regards, Maris | |||
| David W. Hopkins (dhopkins) Senior Member Username: dhopkins Post Number: 169 Registered: 10-2002 |
Hi Maris, I'd like to ask, why do you need to enter a calibration from the keyboard or a text file? Is there a way to manipulate the calibration within WinISI to have the calibration altered as you desire, within the program? Is there a format that you are able to have WinISI read the calibration? Perhaps you can transform the calibration to another format using a program such as Matlab? Perhaps if we know more about what you wish to do, we can offer suggestions. Best regards, Dave | |||
| Maris Stegenburgs (mariss) New member Username: mariss Post Number: 2 Registered: 10-2010 |
Thank you for quick response! I have WinISI III. Tried every instrument. Nothing works. Best regards, Maris | |||
| Jos� Ram�n Cuesta (jrcuesta) Junior Member Username: jrcuesta Post Number: 7 Registered: 11-2009 |
I have checked on my computer. It works for some types of instruments and for others not. As you writte the wavelength automatically the software writtes the data point automatically. In the case of NIR System 5000 it works, in others I get the same message than you. I tested with Win ISI 4. Regards Jos� Ram�n | |||
| Maris Stegenburgs (mariss) New member Username: mariss Post Number: 1 Registered: 10-2010 |
Hi, I can not figure out, how to enter equation from keyboard. Wavelength given in nm is simply getting discarded here. Or warning "Wavelength outside allowable limits" is displayed. Sorry for basic question, but it is not described in WinISI manual. Best regards, Maris |
EQAs from the clipboard