[R] Plot timer in a for loop

[Ken Spriggs]

So this works... Thanks.  My mistake was leaving out seq_len()

for (i in seq_len(nrow(Volumes))){
plot(as.numeric(deltas[i,]))
Sys.sleep(0.5);  }




Ken Spriggs wrote:
> 
> I appreciate the response but if this is what you have in mind I didn't
> get anything different.  
> Any ideas why?
> 
> for (i in nrow(Volumes)){
> plot(as.numeric(deltas[i,]))
> Sys.sleep(0.5);  }
> 
> Thanks
> 
> 
> Jan T. Kim wrote:
>> 
>> On Mon, Jun 09, 2008 at 02:02:01PM -0700, Ken Spriggs wrote:
>>> 
>>> Hello,
>>> 
>>> This code works fine but is so fast I can't see anything but the last
>>> plot.   
>>> 
>>> for (i in nrow(X)){
>>> plot(as.numeric(d[i,]))  }
>>> 
>>> I'd like to view a plot every 500 milliseconds, nrow(X) = 400.  How?  
>> 
>> Adding the line
>> 
>>     Sys.sleep(0.5);
>> 
>> to the loop should do this trick.
>> 
>> Best regards, Jan
>> -- 
>>  +- Jan T. Kim -------------------------------------------------------+
>>  |             email: jtk at cmp.uea.ac.uk                               |
>>  |             WWW:   http://www.cmp.uea.ac.uk/people/jtk             |
>>  *-----=<  hierarchical systems are for files, not for humans  >=-----*
>> 
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>> 
>> 
> 
> 

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