Mario Dejung wrote: >> >> Mario Dejung wrote: >>> Hey everybody, >>> I try to make a graph with two different plots. >>> >>> >>> First I make a boxplot of my data. It is a collection off correlation >>> values of different pictures. For example: >>> >>> 0.23445 pica >>> 0.34456 pica >>> 0.45663 pica >>> 0.98822 picb >>> 0.12223 picc >>> 0.34443 picc >>> etc. >>> >>> Ok, I make this boxplot and I get for every picture the boxes. After >>> this >>> I want to know, how many correlations per picture exist. >>> So I make a new vector y <- as.numeric(data$picture) >>> >>> So I get for my example something like this: >>> >>> y >>> [1] 1 1 1 1 1 1 1 1 1 1 >>> [11] 1 1 1 1 1 1 1 1 2 2 >>> ... >>> [16881] 59 59 59 60 60 60 60 60 60 60 >>> >>> After this I make something like this >>> >>> boxplot(cor ~ pic) >>> par(new = TRUE) >>> hist(y, nclass = 60) >>> >>> But there is my problem. I have 60 pictures, so I get 60 different >>> boxplots, and I want the hist behind the boxes. But it makes only 59 >>> histbars. >>> >>> What can I do? I tried also >>> hist(y, 1:60) # same effect >>> and >>> hist(y, 1:61) >>> this give me 60 places, but only 59 bars. the last bar is 0. >> >> In fact, I am pretty sure you really want to have a barplot() rather >> than a histogram. If you really want to use hist(), then perhaps hist(y, >> 0:60). >> >> Uwe Ligges >> > Ok, it seems you are right, but I'm a beginner in R, so maybe you can help > me a little bit more. > > When I use the hist function, it automatically uses the frequency of the > different numbers, so I will get normally 60 bars. > > When I use the barplot function, then I have to count the frequency of the > numbers. Is there a function who can do this, or should I write a function > on my own.
You are looking for table(). > Sorry, I'm sure it is a stupid question, but maybe someone can give me a > good reference for answers, because I am a beginner :-) There are several manuals, books and the mailing list archives. Uwe Ligges > Thanks to everyone > Mario > >> >>> I hope anyone can help me. >>> >>> Regards Mario >>> >>> ______________________________________________ >>> [email protected] mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
