Leave one out correlation value equal to 0

Olga92

Hello everyone,
i'm trying to calculate the performance of the NN using leave one out method so for that i use cross-validation and choice Leave one out option. The problem that i get a results as following . I Don't undrestand why i got the 0 and what the micro average mean in this  case 
correlation: 0.000 +/- 0.000 (micro average: 0.683) 
 Thanks a lot 

Caperez

Hi @Olga92, 

Here you have a good explanation about it. 

mikro in perfomancevector — RapidMiner Community

regards