title: parameter C in SVM & standard to find best parameter
body: <p>What is the cost parameter C mean in SVM? I mean, if C is large, does it mean "I cannot tolerate wrong classification"?</p>
  
  <p>And how could I determine the range and step size when finding best parameters in experiment?</p>
  
  <p>By the way, what is the standard to decide which parameter is better? The number of errors from cross-validation or the number of support vectors we get from SVM? </p>