[BioC] numbers for sequence and probenames

[Hrishikesh Deshmukh]

Hi All,

Why don't the numbers from
summary(hgu95av2probe):199084
and length(pbn): 201800 don't match?!!
There are more sequences than probe names?!

I am including code snippet.

Thanks,
Hrishi

data(hgu95av2probe)
> summary(hgu95av2probe)
   sequence               x               y        
Probe.Set.Name    
 Length:199084      Min.   :  1.0   Min.   :  1.0  
Length:199084     
 Class :AsIs        1st Qu.:161.0   1st Qu.:161.0  
Class :AsIs       
 Mode  :character   Median :319.0   Median :319.0  
Mode  :character  
                    Mean   :319.1   Mean   :319.8     
               
                    3rd Qu.:478.0   3rd Qu.:479.0     
               
                    Max.   :638.0   Max.   :637.0     
               
 Probe.Interrogation.Position Target.Strandedness
 Min.   :   14                Antisense:198784   
 1st Qu.:  865                Sense    :   300   
 Median : 1649                                   
 Mean   : 2132                                   
 3rd Qu.: 2856                                   
 Max.   :20813                                   

> pbn<-probeNames(M[,1])
> length(pbn)
[1] 201800