[R] Plot data in sequence

[roslinazairimah zakaria]

Hi Sarah,

It works beautifully. Thank you very much.

On Thu, Apr 5, 2018 at 12:07 AM, Sarah Goslee <sarah.goslee using gmail.com>
wrote:

> Hi,
>
> Thanks for the reproducible example.
>
> Looking at
> str(datn)
> would give you a clue.
> STATUS is a factor because it contains character values. Factor levels
> by default are alphabetical with numbers first, but you can change
> those.
>
> > str(datn)
> 'data.frame': 36 obs. of  3 variables:
>  $ LEVEL : Factor w/ 4 levels "DIPLOMA","MATRIC",..: 1 1 1 1 1 1 1 1 1 4
> ...
>  $ STATUS: Factor w/ 9 levels "11121","11122",..: 9 1 2 3 4 5 6 7 8 9 ...
>  $ CGPA  : num  3.32 2.91 2.9 2.89 2.89 2.93 2.96 2.76 2.73 2.77 ...
>
> > levels(datn$STATUS)
> [1] "11121" "11122" "12131" "12132" "13141" "13142" "14151" "14152" "ENTRY"
> > datn$STATUS <- factor(datn$STATUS, levels=c("ENTRY", "11121", "11122",
> "12131", "12132", "13141", "13142", "14151", "14152"))
> > levels(datn$STATUS)
> [1] "ENTRY" "11121" "11122" "12131" "12132" "13141" "13142" "14151" "14152"
>
> Reorder the levels to your desired outcome, and then plot the data again.
>
> Sarah
>
> On Wed, Apr 4, 2018 at 11:10 AM, roslinazairimah zakaria
> <roslinaump using gmail.com> wrote:
> > Hi r-users,
> >
> > I would like to draw line plots. However, the plot starts from 11121 data
> > and plot data ENTRY last in the plot.
> >
> > Here is the code and data.
> >
> > datn <- read.table(header=TRUE, text='
> > LEVEL   STATUS      CGPA
> > DIPLOMA ENTRY 3.32
> > DIPLOMA 11121 2.91
> > DIPLOMA 11122 2.90
> > DIPLOMA 12131 2.89
> > DIPLOMA 12132 2.89
> > DIPLOMA 13141 2.93
> > DIPLOMA 13142 2.96
> > DIPLOMA 14151 2.76
> > DIPLOMA 14152 2.73
> > STPM ENTRY 2.77
> > STPM 11121 3.26
> > STPM 11122 3.30
> > STPM 12131 3.28
> > STPM 12132 3.27
> > STPM 13141 3.28
> > STPM 13142 3.28
> > STPM 14151 3.30
> > STPM 14152 3.31
> > MATRIC ENTRY 2.93
> > MATRIC 11121 2.69
> > MATRIC 11122 2.79
> > MATRIC 12131 2.81
> > MATRIC 12132 2.80
> > MATRIC 13141 2.77
> > MATRIC 13142 2.76
> > MATRIC 14151 2.78
> > MATRIC 14152 2.82
> > STAM ENTRY 2.00
> > STAM 11121 3.05
> > STAM 11122 2.99
> > STAM 12131 2.97
> > STAM 12132 2.89
> > STAM 13141 2.84
> > STAM 13142 2.79
> > STAM 14151 2.79
> > STAM 14152 2.77
> > ')
> >
> > ggplot(data=datn, aes(x=STATUS, y=CGPA, group=LEVEL,
> > colour=LEVEL),cex.axis=0.2, ylim=c(0,4)) +
> >     geom_line(size=1.3) +
> >     geom_point()+
> >     #guides(fill=FALSE) +
> >     theme(legend.title=element_blank(),legend.position=c(.3,
> > .3),axis.text.x = element_text(size=8),axis.text=element_text(size=10))
> >
> > Thank you very much.
> >
> > --
> > *Roslinazairimah Zakaria*
> > *Tel: +609-5492370; Fax. No.+609-5492766*
> >
>
>
> --
> Sarah Goslee
> http://www.functionaldiversity.org
>



-- 
*Roslinazairimah Zakaria*
*Tel: +609-5492370; Fax. No.+609-5492766*

*Email: roslinazairimah using ump.edu.my <roslinazairimah using ump.edu.my>;
roslinaump using gmail.com <roslinaump using gmail.com>*
Faculty of Industrial Sciences & Technology
University Malaysia Pahang
Lebuhraya Tun Razak, 26300 Gambang, Pahang, Malaysia

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