Thank you David.
Regards,
Aparna
On 27 Apr 2012, at 22:44, David Winsemius <dwinsem...@comcast.net> wrote:
> converted formated text to plain text.
> On Apr 27, 2012, at 3:52 PM, Aparna Radhakrishnan wrote:
>
>> Hi...sorry that my question seemed incomplete.
>>
>> The plotting code :
>> par
>> (cex
>> .axis
>> =
>> 0.8,las=1,font.lab=2,font.axis=2,family="sans",mgp=c(2,1,0),mar=c(3, 3, 4,
>> 2)+0.1)
>> plot(A$pos,-log(A$GPVI_frequentist_add_Batch_expected_pvalue,10),col=A$R2class,pch=A$pch,xlim=c(161160087,161214038),ylim=c(0,7),xlab="Genomic
>> position",ylab=expression(-log[10]~(P-value)))
>>
>
> Well, since you didn't give the data, most of that plot argument is
> superfluous. Lets just use plot(1,1) as out staring point. Plotmath
> expression interpetation of the font choices among plain, bold and italic are
> controlled by plotmath functions, so:
>
> plot(1,1, ylab=expression( bold(-log[10]~(P-value) ) ) )
>
> Now, thinking as the plotmath interpreter which considers "-" to be
> meaningful and then back as a human interpreter, I would suggest that you
> also consider whether this is what you really wanted:
>
> plot(1,1, ylab=expression(bold(-log[10]~(P*"-"*value))) ) # no spaces fore
> and aft of the minus sign
>
> Noting that one needs to quote the minus sing to prevent its interpretation
> as as minus sign. Or perhaps (thinking now as a human-plotmath hybrid):
>
> plot(1,1, ylab=expression(bold(-log[bold("10")]~(P*"-"*value))) )
>
>
> (Note that I suggested earlier that there _was_ a way to get numbers
> bold()-ed.)
>
> --
> David.
>
>> I am using a MacBook Pro and I have the R 2.15.0 . I have used only the
>> base-graphics and not loaded any other libraries.
>>
>> Hope that completes the question.
>>
>> Please also find the plot attached here. Note the y-axis label is not in
>> bold face or in "sans" font.
>>
>> Regards,
>> Aparna.
>>
>> <FCER1G_locus_association.jpeg>
>> On 27 Apr 2012, at 19:36, David Winsemius wrote:
>>
>>>
>>> On Apr 27, 2012, at 11:22 AM, aparna15 wrote:
>>>
>>>> Hi..
>>>>
>>>> I managed to use expression() for superscripting and subscripting values in
>>>> my axis labels.
>>>
>>> What's missing here is your plotting code and your machine and R
>>> installation details. You may want to review the Posting Guide for what is
>>> requested. Plotting issues are more machine dependent than other aspects.
>>> Since the ?plotmath page does have details that include:
>>>
>>> "The fonts used are taken from the current font family, and so can be set
>>> by par(family=) in base graphics, and gpar(fontfamily=) in package grid.
>>>
>>> Note that bold, italic and bolditalic do not apply to symbols, and hence
>>> not to the Greek symbols such as mu which are displayed in the symbol font.
>>> They also do not apply to numeric constants."
>>>
>>> ... my speculation is that you may not be using base graphics or you may
>>> have excessive expectations regarding how symbols are displayed. You can
>>> sometimes get around that last limitation by using character values where
>>> you want numeric values in bold or italic. Again, we need full details. Put
>>> together a reproducible example and repost.
>>>
>>> --
>>> David
>>>
>>>
>>>> However, I notice that the font and style that I had passed
>>>> through par() are ignored.
>>>>
>>>> I used :
>>>> par(font.lab=2, font=2, family="sans")
>>>>
>>>> but when I employ expression() for my xlab, the styling given above is
>>>> completely ignored.
>>>>
>>>> I would greatly appreciate it if someone knew of a method of maintaing the
>>>> style while superscripting or subscripting in an axis label.
>>>>
>>>> Regards,
>>>> Aparna.
>>>>
>>>>
>>>
>>
>
> David Winsemius, MD
> West Hartford, CT
>
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