[R] Trying to change a qplot() to a ggplot()+

[John McKown]

I got an off-line reply which fixed my problem. And, it is a good
thing my cataract surgery is soon, no? turns out that qqplot and
ggplot are not the same! <grin/>. But the font in notepad on Windows
is such that I have difficulty in telling the difference.

On Wed, Jul 23, 2014 at 8:47 AM, John McKown
<john.archie.mckown at gmail.com> wrote:
> I'm trying to change a qplot to a ggplot. The reason is because I want
> two plots of the same data. One a bar char, the other a line graph.
> What I'm trying:
>
> #MSU_graph_m1b <-
> qplot(Int_Start,LicPrLsys4HMSU,data=cpprdald2_m1,geom="bar",stat="identity",color=System_alias);
>
> MSU_graph_m1   <-
> qqplot(cpprdald2_m1,aes(x=Int_Start,y=LicPrLsys4HSMU,colour=System_alias));
>
> MSU_graph_m1b  <- MSU_graph_m1+geom_bar();
>
> #MSU_graph_m1l <- qplot(Int_Start,LicPrLsys4HMSU,data=cpprdald2_m1,geom="line");
>
> MSU_graph_m1l  <- MSU_graph_m1+geom_line();
>
> The commented lines are what works. What fails is the first ggplit() like:
>
>> MSU_graph_m1   <- qqplot(cpprdald2_m1,aes(x=Int_Start,y=LicPrLsys4HSMU,colour=System_alias));
> Error in as.matrix.data.frame(x) :
>   dims [product 9912] do not match the length of object [9923]
>>
>
> cpprdald2_m1 is:
>> str(cpprdald2_m1)
> 'data.frame':   168 obs. of  60 variables:
>
> and Int_Start and LicPrLsys4HSMU are variables in cpprdald2_m1.
> Int_Start is a POSIXlt. LicPrLsys4HSMU is a number. I have also tried
> with x=as.character(Int_Start) in the aes().
>
> I am using the book "R GRAPHICS COOKBOOK" as my source of examples. I
> am obviously oblivious to something.
>
> --
> There is nothing more pleasant than traveling and meeting new people!
> Genghis Khan
>
> Maranatha! <><
> John McKown



-- 
There is nothing more pleasant than traveling and meeting new people!
Genghis Khan

Maranatha! <><
John McKown