# [R] How to plot multiple graphs each with multiple y variables

Peter Alspach PAlspach at hortresearch.co.nz
Mon Feb 9 22:55:52 CET 2009

```Kia ora Gina

If I understand you correctly, you need to specify mfrow argument as c(1,2) and then make your two calls to plot().  HTH ...

Peter Alspach

> -----Original Message-----
> From: r-help-bounces at r-project.org
> [mailto:r-help-bounces at r-project.org] On Behalf Of gina patel
> Sent: Tuesday, 10 February 2009 10:43 a.m.
> To: r-help at r-project.org
> Subject: [R] How to plot multiple graphs each with multiple y
> variables
>
> I am new to R and have a problem that I haven't been able to
> find the answer to in the guides or online.
>
> I have multiple datasets, D1, D2, D3, D4, D5, D6, D7 and D8,
> and I would like to produce two plots side by side using
> mfrow.  The first plot should contain data from D1-D4, the
> second should contain D5-D8.
>
> I can plot these separately using the code,
>
> par(mfrow=c(1,1))
> plot(c(0.000001,1),c(0,100),type="n", xlab="D", ylab="% R", log="x")
>      points(D1\$L0,D1\$K1_R1,lwd=2, col="blue", )
>      points(D2\$L0,D2\$K1_R2,lwd=2, col="red", )
>      points(D3\$L0,D3\$K1_Rt3,lwd=2, col="orange", )
>      points(D4\$L0,D4\$K1_R4,lwd=2, col="black", )
>
> or
>
> par(mfrow=c(1,1))
> plot(c(0.000001,1),c(0,100),type="n", xlab="D", ylab="% R", log="x")
>      points(D5\$L0,D1\$K2_R1,lwd=2, col="blue", )
>      points(D6\$L0,D2\$K2_R2,lwd=2, col="red", )
>      points(D7\$L0,D3\$K2_Rt3,lwd=2, col="orange", )
>      points(D8\$L0,D4\$K2_R4,lwd=2, col="black", )
>
> but how can I plot them together?
>
>
>
>
>
>
> 	[[alternative HTML version deleted]]
>
>
>

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