Re: [R] Feature space problem regarding text classification using SVM

2017-02-17 Thread Bert Gunter
This question is about statistics and therefore is off topic for this list. However, if I understand correctly isn't the answer obvious? -- how can you classify by features whose values are unknown? Cheers, Bert On Feb 17, 2017 5:28 AM, "Björn Fisseler via R-help" wrote: Dear list members, I

[R] Feature space problem regarding text classification using SVM

2017-02-17 Thread Björn Fisseler via R-help
Dear list members, I'm currently working on text classification of student's essays, trying to identify texts that fit to a certain class or not. I use texts from one semester (A) for training and texts from another semester (B) for testing the classifier. My workflow is like this: * read al