[gradsusr] Scatter plot

[Jeff Duda]

Ally,
Whatever data you're using, the array called 'ts' doesn't exist in it. Make
sure you replace variable entries in scripts like that with data that
actually exists in your data file.

Jeff

On Thu, Dec 15, 2016 at 2:18 PM, Ally Toure <allytoure at gmail.com> wrote:

> Hi Jeff,
> I managed to make the script work thanks again for your help
>
> I got the script below
> at ftp://cola.gmu.edu/grads/scripts/box_and_whisker.gs
>
> when I try to run it I am getting the error message:
> Syntax Error:  Invalid Operand
>   'ts' not a variable or function name
>
> and not sure what I am missing.
> Thanks
> Ally
>
>
>
>
> * Demonstrates how to use gxout bar and errbar to draw a box and whisker
> plot
>
> 'open model.ctl'
>
> * pick a variable and an area, in this case surface temperature in central
> US
> var = 'ts'
> minlat='30'
> maxlat='50'
> minlon='-110'
> maxlon='-80'
> tlast=5
>
> * define variables: mean, plus 1 stddev, minus 1 stddev, min, max,
> 'set x 1'
> 'set y 1'
> 'set t 1 'tlast
> 'define mean = tloop(aave('var',lon='minlon',
> lon='maxlon',lat='minlat',lat='maxlat'))'
> 'define pstd = mean + tloop(aave(sqrt(pow('var'-
> mean,2)),lon='minlon',lon='maxlon',lat='minlat',lat='maxlat'))'
> 'define mstd = mean - tloop(aave(sqrt(pow('var'-
> mean,2)),lon='minlon',lon='maxlon',lat='minlat',lat='maxlat'))'
> 'define vmax = tloop(max(max('var',lon='minlon',lon='maxlon'),lat='
> minlat',lat='maxlat'))'
> 'define vmin = tloop(min(min('var',lon='minlon',lon='maxlon'),lat='
> minlat',lat='maxlat'))'
>
> * set up the plot
> 'clear'
> 'set vrange 260 300'
> 'set t 0.5 'tlast+0.5
>
> * draw bars centered on the mean, spanning the range from plus/minus 1
> standard deviaton
> 'set gxout bar'
> 'set bargap 50'
> 'set baropts outline'
> 'd mstd;pstd'
>
> * draw error bars spanning the range from the min/max values
> 'set gxout errbar'
> 'd vmin;vmax'
>
> * draw yellow line showing the mean values
> 'set gxout line'
> 'set cmark 0'
> 'set cthick 6'
> 'd mean'
>
>
>
>
> On Thu, Dec 15, 2016 at 2:40 PM, Ally Toure <allytoure at gmail.com> wrote:
>
>> Jeff,
>> Thanks so much. I appreciate your help.
>> Ally
>>
>> On Thu, Dec 15, 2016 at 2:02 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:
>>
>>> Ally,
>>>
>>> The example you link to is a script that makes a scatter plot. You don't
>>> need a script to make a scatter plot, although the scatter.gs script
>>> probably makes a nicer looking plot than the simple way, detailed as
>>> follows:
>>>
>>> Without a script, you can make a scatter plot as simply as entering
>>>
>>> set gxout scatter
>>> d field1;field2
>>>
>>> where field1 and field2 are arrays in your data file (you can see a list
>>> of arrays by typing "q file" at the command prompt or by looking in your
>>> control file). There are numerous other commands you can use to adjust the
>>> look of the resulting plot, including set vrange/vrange2 to adjust the
>>> x-/y-axis limits, digsize to control the size of the markers, and perhaps
>>> cmark to control the type of mark plotted.
>>>
>>> Regarding the link, you have to download the script code on that
>>> website. Then, once grads is running, you need to type "run" before the
>>> script name and arguments. Also, make sure to include the full pathname of
>>> the script code unless you have set the environmental variable GASCRP to
>>> the location of your script code. Then you don't have to include the full
>>> path.
>>>
>>> Good luck.
>>>
>>> Jeff Duda
>>>
>>> On Thu, Dec 15, 2016 at 12:52 PM, Ally Toure <allytoure at gmail.com>
>>> wrote:
>>>
>>>> Hi All,
>>>> I am a new grads user. I am trying to make a scatter plot.
>>>> I found an example
>>>> here
>>>> http://gradsaddict.blogspot.com/2013/07/script-scattergs-eas
>>>> ily-create-scatter.html
>>>> when I try to run the following commands
>>>> *xarray='1 2 3 4 5 6 7 8 9 10' *
>>>> *yarray='1 2 3 4 5 6 7 8 9 10' *
>>>>
>>>>
>>>>
>>>> *'scatter -x 'xarray' -y 'yarray *
>>>> *I *was getting the following error message:
>>>>
>>>> Unknown command: scatter
>>>>
>>>> Could someone tell me what I am missing.
>>>>
>>>> Thanks
>>>> Ally
>>>>
>>>> _______________________________________________
>>>> gradsusr mailing list
>>>> gradsusr at gradsusr.org
>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>
>>>>
>>>
>>>
>>> --
>>> Jeff Duda
>>> Post-doctoral research fellow
>>> University of Oklahoma School of Meteorology
>>>
>>> _______________________________________________
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>>> gradsusr at gradsusr.org
>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>
>>>
>>
>
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>


-- 
Jeff Duda
Post-doctoral research fellow
University of Oklahoma School of Meteorology
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