[R] How do I change the colour and format for the trelli plot ?

[ychu066]

tried reading the help(histogram) but didnt fiind it helpful



ychu066 wrote:
> 
> I have solved the first problem by using layout=c(1,3) 
> 
> but still cant find the solution for the next problem of getting
> differenct colour for the bars in the 3 different histogram plots....
> 
> 
> ychu066 wrote:
>> 
>>  http://old.nabble.com/file/p26418382/hist1.png hist1.png  i want three
>> plots along on the side , how to i do that ?
>> 
>>  and I also want to change the colour of the bars for each plot, how do i
>> do that ?
>> 
>> i got the code here to draw that ..
>> columns <- 8:153 
>> plots <- vector("list", length(columns)) 
>> j <- 0 
>> for (i in columns) 
>> {   
>>   plots[[ j <- j+1 ]] <- 
>>     histogram( ~ data[,i], 
>>       ylab = "Frequency", xlab = "Score", 
>>       xlim = c(1,5), ylim = c(0,100), 
>>       main = colnames(data)[i]
>>     ) 
>> } 
>> 
>> print(plots[[1]]) 
>> 
>> # or export 
>> 
>> for (i in seq_along(plots)) 
>> { 
>>   png(paste("hist", i, ".png", sep = "")) 
>>   print(plots[[i]]) 
>>   dev.off() 
>> } 
>> 
> 
> 

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