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  • SOM for Detection

    - by Tim
    I would like to know how I can use SOM for disease detection. Given a lung cancer dataset, how can SOM be applied for detection, there are certain terminologies like, sensitivity, specificity and accuracy percentages....are there ways to calculate all these with the SOM algorithm? I would appreciate answers from anyone who can shed more light on this

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  • Kohonen SOM Maps in R Tutorial

    - by Btibert3
    Hi Everyone, I am simply looking for a good tutorial that will walk me through how to create a SOM in R. I am reading Kohonen and Kaski's paper on using the maps to identify the structure of Welfare, and want to try the technique my self. I think many of the examples in R have a lot to be desired. I have looked on the web and didn't find anything that I thought made the process easy to understand. Any help you can provide will be greatly appreciated.

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  • SOM Algorithm Matlab HELP

    - by Tim
    I'm trying to pass a txt file to som_read_data from a GUI......i created a function that takes a txt file from the GUI and then passes it to som_read_data..but i'm getting some errors...here are a list of some of the errors.....any one with ideas? ??? Error using ==> ftell Invalid file identifier. Use fopen to generate a valid file identifier. Error in ==> som_read_data at 169 fpos1 = ftell(fid); c1 = 0; % read first non-comment line Error in ==> prog_som at 3 sD = som_read_data(m);

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  • Som maps problem in matlab

    - by Serdar Demir
    I have a text file that include data. My text file: young, myopic, no, reduced, no young, myopic, no, normal, soft young, myopic, yes, reduced, no young, myopic, yes, normal, hard young, hyperopia, no, reduced, no young, hyperopia, no, normal, soft young, hyperopia, yes, reduced, no young, hyperopia, yes, normal, hard I read my text file load method %young=1 %myopic=2 %no=3 etc. load iris.txt net = newsom(1,[1 5]); [net,tr] = train(net,1); plotsomplanes(net); Error code: ??? Undefined function or method 'plotsomplanes' for input arguments of type 'network'.

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  • Kohonen SOM Maps: Normalizing the input with unknown range

    - by S.N
    According to "Introduction to Neural Networks with Java By Jeff Heaton", the input to the Kohonen neural network must be the values between -1 and 1. It is possible to normalize inputs where the range is known beforehand: For instance RGB (125, 125, 125) where the range is know as values 0 and 255: 1. Divide by 255: (125/255) = 0.49 (0.49,0.49,0.49) 2. Multiply by two and subtract one: ((0.49*2)-1)=-0.02 (-0.02,-0.02,-0.02) The question is how can we normalize the input where the range is unknown like our height or weight. Also, some other papers mention that the input must be normalized to the values between 0 and 1. Which is the proper way, "-1 and 1" or "0 and 1"?

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  • MySQL: select words as rows even som are "new line" separated in one field

    - by Tillebeck
    Hi I have a table with a field where words are written separated with new lines. So a select on this single field from to rows will output 3 lines for first row and 2 lines for second row: Row1 designationer nye kolonier mindre byer Row2 udsteder bopladser I would like to do a select that select all these lines as if they had been rows in the table like: SELECT do_the_split(field) FROM table so the result would be more like: Row1 designationer Row2 nye kolonier Row3 mindre byer Row4 udsteder Row5 bopladser is there any way to do this in MySQL? BR. Anders

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  • I need help on this data file to be edited in SOM_PAK format

    - by Mola
    Hi Experts, I am working on Self Organizing Map (SOM) Implementation and i have a microarray dataset which i am trying to read in using some_read_data function, but i keep having an errors when i edit it to have it in SOM_PAK form which is recognise by SOM for reading such as ??? Error using == somtoolbox\som_read_data.m Only 69 vector components on input file data line 1 (dimension is 70) Error in == SomMainFunction at 3 sD = som_read_data('B_r2.txt'); but when i try to read the data without editing which is the original file as shown here: http://rapidshare.com/files/376239367/DLBCL.txt.html It indicates "Data read OK", but i have the following error ??? Error using == unknown Out of memory. Type HELP MEMORY for your options. Error in == somtoolbox\som_bmus.m at 189 Bmus = zeros(dlen,length(which_bmus)); Error in == somvis\somvis_p_matrix.m at 41 [dummy dists] = som_bmus (dat, dat, 2:datlen); Error in == SomMainFunction at 16 [pheight rad_real perc] = somvis_p_matrix(sM,sD); You can get the datafile from here:http://rapidshare.com/files/376239367/DLBCL.txt.html I need someone to help me correct this data for me and put it in SOM_PAK format. I have tried getting it in SOM_PAK format, but it still giving me errors:

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  • Amazon Elastic MapReduce: Exception from FileSystem

    - by S.N
    Hi, I run my application using ruby client: ruby elastic-mapreduce -j j-20PEKMT9BRSUC --jar s3n://sakae55/lib/edu.cit.som.jar --main-class edu.cit.som.hadoop.SOMDriver --arg s3n://sakae55/repository/input/ecoli/ --arg s3n://sakae55/repository/output/ecoli/pl/ --arg s3n://sakae55/repository/data/ecoli/som.txt Then, I am seeing the following error: java.lang.IllegalArgumentException: This file system object (file:///) does not support access to the request path 'hdfs://i -10-195-207-230.ec2.internal:9000/mnt/var/lib/hadoop/tmp/mapred/system/job_201004221221_0017/job.jar' You possibly called Fi eSystem.get(conf) when you should of called FileSystem.get(uri, conf) to obtain a file system supporting your path. at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:320) at org.apache.hadoop.fs.RawLocalFileSystem.pathToFile(RawLocalFileSystem.java:52) at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:416) at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:259) at org.apache.hadoop.fs.FileSystem.isDirectory(FileSystem.java:676) at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:200) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1184) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1160) at org.apache.hadoop.fs.FileSystem.copyFromLocalFile(FileSystem.java:1132) at org.apache.hadoop.mapred.JobClient.configureCommandLineOptions(JobClient.java:662) at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:729) at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1026) at edu.cit.som.hadoop.SOMDriver.runIteration(SOMDriver.java:106) at edu.cit.som.hadoop.SOMDriver.train(SOMDriver.java:69) at edu.cit.som.hadoop.SOMDriver.run(SOMDriver.java:52) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at edu.cit.som.hadoop.SOMDriver.main(SOMDriver.java:36) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:155) at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79) at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68) I am not sure why the error references to "file:///" even though all the arguments I pass do not use the schema.

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  • C# Find and Replace a section of a string with wildcard type search using RegEx (while retaining som

    - by fraXis
    Hello, I am trying to replace some text in a string with different text while retaining some of the text and I am having trouble doing it. My code is: StreamReader reader = new StreamReader(fDialog.FileName.ToString()); string content = reader.ReadToEnd(); reader.Close(); /Replace M2 with M3 (this works fine) content = Regex.Replace(content, "M2", "M3"); I want to replace a string that contains this: Z0.1G0H1E1 and turn it into: G54G43Z.1H1M08 (Note the Z value and the H value contain the same numeric value before the text change) The trouble I am having is that when I replace the values, I need to retain the H value and the Z value from the first set of text. For example, Z0.5G0H5E1 I need to add the new text, but also add the H5 and Z0.5 back into the text such as: G54G43Z0.5H5M08 But the Z values and H values will be different every time, so I need to capture those values and reinsert them back into the string when add the new G54G43 values. Can someone please show me how to do this using Regex.Replace? Thanks so much, Shawn

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  • Tool to modify properties/metadata of a PDF? i.e. Change "Title", "Author"? Sony Reader showing som

    - by Chris W. Rea
    I own a Sony Reader PRS-600 ebook reader. I bought a ton of Manning Publications ebooks (DRM-free) recently. Many of the books are PDFs since not all the ones I wanted are available in epub format. The problem: Some of the PDF books I purchased have incorrect or missing metadata. Making things worse, the Sony Reader only displays the "Title" from the PDF metadata when displaying book titles in the reader's collection of books! The Reader doesn't display the filename. So, even though I have a PDF informatively named "Windows PowerShell In Action.pdf", it shows up as "untitled" in the Reader. Imagine how useful the Reader's list of book titles becomes when many are just "untitled" or "unnamed document" ! Yes, it is maddening. So – short of expecting the publisher to fix the files or Sony to add a filename-based list instead, I'm looking for a way to fix the PDF metadata. I can view the metadata with Adobe Reader, but it doesn't permit modification of the properties. Leading to: Question: Is there a tool – free, or cheap – and either for PC or Mac, that can modify the properties / metadata of a DRM-free PDF document? I want to correct "Title" and "Author" fields, specifically.

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  • Ajax site not being crawled - have escaped fragment, what's wrong? [closed]

    - by Harry
    My site is anonkun.com. You can see that it's "ajax" and doesn't load much HTML. Here are some example pages: http://anonkun.com http://anonkun.com/?_escaped_fragment_= http://anonkun.com/stories/Dev-kun---FAQ/6ef881f8-cf48-4f87-a688-c585f23809c5 http://anonkun.com/stories/Dev-kun---FAQ/6ef881f8-cf48-4f87-a688-c585f23809c5?_escaped_fragment_= As you can see the original page has the meta fragment tag and the escaped fragment versions loads static html. Why am I not getting crawled? http://cl.ly/image/2n30212q0K2W Webmaster tools show that pages are being seen as duplicate and fetch as google show me the ajax version of the source not the static escaped fragment version. What's wrong and how do I make this work? Thanks.

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  • Invitation til Oracle Open Experience DK11

    - by user13847369
    Kære Partnere, Vi afholder sammen med Arrow et større kundearrangement den 7. December ved navnet "Oracle Open Experience DK11". I kan se agendaen for dagen her: V. Torben Markussen, Sales director/Middleware director Nordics, Oracle Fornem stemningen fra årets OpenWorld og få præsenteret de største og mest relevante nyheder. Hør hvordan I drager konkret fordel af Oracle-nyheder som Oracle Cloud, storageløsningen Pillar Axiom og de unikke nye muligheder med Fusion Applications. V. Hans Bøge, IT-arkitekt, Oracle Hans Bøge fortæller om hvordan I optimerer jeres licensløsning, og letter administrationen af jeres database. En server fødes med adskillige cores - alle med licensomkostninger. Hvorfor ikke nøjes med at aktivere det antal der matcher jeres behov? Hør hvordan I får en løsning, der kan opgraderes hen ad vejen som behovene opstår. V. Kim Estrup, Produktchef 11G , Oracle Brugerdefinerede implementeringer gør jeres systemer unikke, hvilket kun øger komplek og administration. Kim Estrup vil fortælle alt om, hvordan I letter forvaltningen af jeres traditionelle data-centre, samt etablerer lynhurtig adgang til skyen. Få indføring i en omfattende løsning, der skærer gennem kompleksitet, øger service-kvalitet og minimerer administrations- omkostninger. V. Steen Schmidt, IT-arkitekt, Oracle Hør hvordan de nyeste teknologier indenfor virtualisering og server-management, kan forsimple jeres IT-processer og reducere omkostninger markant. Få demonstreret en løsn der er fire gange mere skalerbar end den seneste VWware, og som kan understøtte op  til 128 virtuelle CPUer per virtuel maskine - endda til en brøkdel af omkostningen. Steen Schmidt fortæller alt om mulighederne i jeres storagesystem V. Erik Lund, Storage Presales-arkitekt, Oracle Lyder det for godt til at være sandt? Det kan faktisk lade sig gøre. Erik Lund fortæller alt om de nyeste storage-teknologier, der åbner op for skalerbarhed på både disc- og controllerniveau, og for database-komprimering med op til faktor 50. Det reducerer behovet for discs og formindsker jeres backup-vindue markant. Kombineret med markedets højeste udnyttelsesgrad og omkostningsfri QoS, giver det helt nye muligheder. Dagen starter kl 8.30 med morgenmad og slutter kl 14.00 Jeg håber I har lyst til at deltage samt at invitere jeres kunder.I skulle gerne have modtaget en invitation som I også kan bruge til at sende ud til jeres kunder.Er det ikke tilfældet så send mig endeligt en mail. Du kan også tilmelde dig via dette link: http://www.woho.dk/oracle og indtaste billetnummer: 1500Mvh Thomas Stenvald

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  • WHM new account nameservers not responding

    - by Jae Kun Choi
    I've setup a new account in WHM and updated the nameservers from Domain Registrar and it's not responding from the server. So I went to DNS functions and Nameserver IP's and I have the following ns1.example.com.au No IP 4 ns2.example.com.au No IP 4 I'm not sure whether "NO IP" part is the problem I went in to the domains and they seem to be properly set up. Below is what my Domain Registrar responded with my ticket. those nameservers are either a) offline/not responding or b) not set up correctly as nameservers. Is there a place I can check in WHM to make nameservers respond correctly? The nameservers I updated with above ns1.example.com.au and ns2.example.com.au but it's not working. WHM version is: WHM 11.32.2 (build 18)

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  • What are incentives (if any) to use WinRT instead of .Net?

    - by Ark-kun
    Let's compare WinRT with .Net .Net .Net is the 13+ years evolution of COM. Three main parts of .Net are execution environment, standard libraries and supported languages. CLR is the native-code execution environment based on COM .Net Framework has a big set of standard libraries (implemented using managed and native code) that can be used from all .Net languages. There are .Net classes that allow using OS APIs. WPF or Silverlight provide a XAML-based UI framework .Net can be used with C++, C#, Javascript, Python, Ruby, VB, LISP, Scheme and many other languages. C++/.Net is a variation of the C++ language that allows interaction with .Net objects. .Net supports inheritance, generics, operator and method overloading and many other features. .Net allows creating apps that run on Windows (XP, 7, 8 Pro (Desktop and Metro), RT, CE, etc), Mac OS, Linux (+ other *nix); iOS, Android, Windows Phone (7, 8); Internet Explorer, Chrome, Firefox; XBox 360, Playstation Suite; raw microprocessors. There is support for creating games (2D/3D) using any managed language or C++. Created by Developer Division WinRT WinRT is based on COM. Three main parts of WinRT are execution environment, standard libraries and supported languages. WinRT has a native-code execution environment based on COM WinRT has a set of standard libraries that more or less can be used from WinRT languages. There are WinRT classes that allow using OS APIs. Unnamed Silverlight clone provides a XAML-based UI framework WinRT can be used with C++, C#, Javascript, VB. C++/CX is a variation of the C++ language that allows interaction with WinRT objects. Custom WinRT components don't support inheritance (classes must be sealed), generics, operator overloading and many other features. WinRT allows creating apps that run on Windows 8 Pro and RT (Metro only); Windows Phone 8 (limited). There is support for creating games (2D/3D) using C++ only. Ordered by Windows Team I think that all the aspects except the last ones are very important for developers. On the other hand it seems that the most important aspect for Microsoft is the last one. So, given the above comparison of conceptually identical technologies, what are incentives (if any) to use WinRT instead of .Net?

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  • Doubt regarding usage of array as a pointer in C

    - by Som
    For eg. I have an array of structs 'a' as below: struct mystruct{ int b int num; }; struct bigger_struct { struct my_struct a[10]; } struct bigger_struct *some_var; i know that the name of an array when used as a value implicitly refers to the address of the first element of the array.(Which is how the array subscript operator works at-least) Can i know do the other way around i.e if i do: some_var->a->b, it should be equivalent to some_var->a[0]->b, am i right? I have tested this and it seems to work , but is this semantically 100% correct?

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  • boost bind callback function pointer as a parameter

    - by Takashi-kun
    I am trying to pass a function pointer using boost::bind. void Class::ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&Class::ThreadFunction, callbackFunc)) ); } I get the following errors: 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(362) : warning C4180: qualifier applied to function type has no meaning; ignored 1>C:\dev\sapphire\boost_1_46_1\boost/bind/mem_fn.hpp(333) : error C2296: '->*' : illegal, left operand has type 'Type (__cdecl **)(message_type::ptr &)' However, I was able to change to the following, it works fine: void ThreadFunction(Type(*callbackFunc)(message_type::ptr&)) { } boost::shared_ptr<boost::thread> Class::Init(Type(*callbackFunc)(message_type::ptr&)) { return boost::shared_ptr<boost::thread> ( new boost::thread(boost::bind(&ThreadFunction, callbackFunc)) ); } Why do I get those errors if I declare the method in the Class class?

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  • PHP: How to dynamically add to http_build_query?

    - by oni-kun
    I have a scraping object basically. I want to be able to add POST variables to it like $obj->addvar('Name', 'Value'); What I have now is this: function addvar($var, $val) { $postvars[] = Array($var=>$val); } function initiate() { $this->q = $postvars; } if(!empty($this->post)) { $this->params = http_build_query($q); } I haven't tested because it's too incomplete, But would my addvar() function work? How on earth do I append a key+value to the array so http_build_query would accept it? IE (this is what I want): $obj->addvar('username', 'abc'); $obj->addvar('password', 'foobar'); $obj->send(); //..

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