[R] facet plot

[Jose Iparraguirre]

Hi Robin,

You didn't provide the list with a clear structure of your data, but I hope I understood it properly. If not, it'd be easy for you to adapt what follows.

I guess your data looks like this:

           Gene  T0h T0.25h T0.5h  T1h  T2h  T3h  T6h T12h T24h T48h
1  NM_001001130   68     95    56   43   66   62   68   90   63   89
2  NM_001001144    0      1     4    0    1    1    1    4    1    2
3  NM_001001152   79    129    52   50   24   45  130  154  112  147
4  NM_001001160    1      1     2    0    0    1    0    0    0    1
5  NM_001001176    0      0     0    0    0    0    0    0    0    0
...

If this is the case, first reshape your data (say, gene.df) to a long format:

            Gene Time
1   NM_001001130   68
2   NM_001001144    0
3   NM_001001152   79
4   NM_001001160    1
5   NM_001001176    0
6   NM_001001177    1
7   NM_001001178    0
8   NM_001001179    0
9   NM_001001182 4691
...

Then, you create the ggplot:

> sp <- ggplot(gene.df, aes(x=Gene, y=Time)) + geom_point(shape=1)

And use the function facet_wrap():

> sp + facet_wrap( ~ Gene,ncol=3)

You can set a different number of columns and a different shape for the markers, of course.

Hope this helps.

Regards,

José


José Iparraguirre
Chief Economist
Age UK


-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Robin Mjelle
Sent: 31 January 2013 09:06
To: r-help at r-project.org
Subject: [R] facet plot

Hi all,

I want to plot a facet plot with column names as x and column values as y.
One plot for each row. here is part of my dataset:

    Gene T0h T0.25h T0.5h T1h T2h T3h T6h T12h T24h T48h  NM_001001130 68 95
56 43 66 62 68 90 63 89  NM_001001144 0 1 4 0 1 1 1 4 1 2  NM_001001152 79
129 52 50 24 45 130 154 112 147  NM_001001160 1 1 2 0 0 1 0 0 0 1
NM_001001176 0 0 0 0 0 0 0 0 0 0  NM_001001177 1 3 2 3 0 1 1 0 2 0
NM_001001178 0 0 0 0 0 0 0 0 0 0  NM_001001179 0 0 0 0 0 0 0 0 0 0
NM_001001180 1 0 0 1 0 0 0 0 0 0  NM_001001181 350 539 424 470 441 451 554
553 419 548  NM_001001182 4691 6458 5686 6761 5944 4486 6030 5883 6009 7552
NM_001001183 22 23 12 21 25 17 34 40 33 32  NM_001001184 138 147 111 100 54
61 61 77 57 99  NM_001001185 2 3 4 3 4 5 9 2 4 4  NM_001001186 231 337 187
168 148 178 275 319 181 279

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