[R] Please help with creating the improved image with pheatmap package

[David Winsemius]

> On Oct 3, 2016, at 4:43 AM, maryam moazam <setareh227 at gmail.com> wrote:
> 
> Hi all,
> 
> I'm trying to show about 190 items using "pheatmap" package. I'm working
> with R 3.3.1 on windows 7. I used the following code:
> 
> pheatmap(mat_data, cellwidth=20, cluster_rows = FALSE, cluster_cols =
> FALSE, fontsize=5, fontsize_row=5, margins=c(5,10))
> 
> 
> The resulted image is attached. Please take a look at it. As you could see,
> the image quality is not good, in fact, the label of each row has not been
> appropriately shown at all in the picture. Could you please help me how I
> can modify the code to improve the image?
> 

If png() is your desired target then you probably will want to set different plotting parameters since your image is so tall.

?grDevices
?png   # guessing you need to set 'height' much higher
?par
?points  # good examples of low-level control 


> 
> 
> 
> Thank you very much in advance
> 
> Best regards,
> Maryam
> <image_pheatmap.png>______________________________________________
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David Winsemius
Alameda, CA, USA