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* org-plot questions
@ 2008-10-22 14:27 JBash
  2008-10-22 15:35 ` Eric Schulte
  0 siblings, 1 reply; 5+ messages in thread
From: JBash @ 2008-10-22 14:27 UTC (permalink / raw)
  To: emacs-orgmode


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Hi,

First of all, thanks to all for the work on org-mode and org-plot.

A question about org-plot...

Question 1:
When I include an index column in the first column of the table,  I am
getting evenly spaced data points, with the xtic labels being coming from
the 'ind:' column (2, in the first data set here).

The behavior I expected was to use the second column (Frequency) as the
independent variable, and to get a plot with 3 groups of 3 points, near
frequencies of 1, 10, and 20. as I get with the 'Data Set B' group.

Is this expected and correct?

I know that this will also include the first column in the plot, which leads
to my next question.

Question 2:
When I try to use the deps option, I either get an error or an undesired
result.  For example, if I include a "deps:3,4", I get a "Wrong type
argument" error.  If I enclose the 3,4 in single quotes (eg. deps:'3,4'), I
get only the third column plotted, and not both third and fourth as I
expected.  What am I doing wrong?
A comment - enclosing the argument for deps in single quotes, if that is the
intention, seems inconsistent with the arguments for other options of that
type (ind, for example).

Question 3:
Is there a way to produce 2 different plots from the same table data?

Thanks again for the help.
Jerry

** Data Set A
#+PLOT: ind:2
| Index | Frequency |  Amplitude | Phase | Delta | Peak |
|     1 |       0.9 |          9 |     6 |     5 |  198 |
|     2 |       1.0 |         10 |     9 |     7 |  212 |
|     3 |       1.1 |         11 |     8 |     3 |  144 |
|     4 |       9.9 |         19 |    12 |     9 |  235 |
|     5 |      10.0 |         18 |     7 |    12 |  222 |
|     6 |      10.1 |         22 |    14 |     4 |  187 |
|     7 |      19.9 |         14 |    11 |     6 |  220 |
|     8 |      20.0 |         20 |    15 |    14 |  213 |
|     9 |      20.1 |         18 |    16 |    11 |  201 |

** Data Set B
#+PLOT: ind:1
| Frequency | Amplitude | Phase | Delta | Peak |
|-----------+-----------+-------+-------+------|
|       0.9 |         9 |     6 |     5 |  198 |
|       1.0 |        10 |     9 |     7 |  212 |
|       1.1 |        11 |     8 |     3 |  144 |
|       9.9 |        19 |    12 |     9 |  235 |
|      10.0 |        18 |     7 |    12 |  222 |
|      10.1 |        22 |    14 |     4 |  187 |
|      19.9 |        14 |    11 |     6 |  220 |
|      20.0 |        20 |    15 |    14 |  213 |
|      20.1 |        18 |    16 |    11 |  201 |

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^ permalink raw reply	[flat|nested] 5+ messages in thread

• * Re: org-plot questions
    2008-10-22 14:27 org-plot questions JBash
  @ 2008-10-22 15:35 ` Eric Schulte
    2008-10-22 17:39   ` JBash
    0 siblings, 1 reply; 5+ messages in thread
  From: Eric Schulte @ 2008-10-22 15:35 UTC (permalink / raw)
    To: JBash; +Cc: emacs-orgmode
  
  JBash <bashveank@gmail.com> writes:
  
  > Hi,
  >
  > First of all, thanks to all for the work on org-mode and org-plot.
  >
  > A question about org-plot...
  >
  > Question 1:
  > When I include an index column in the first column of the table,  I am getting evenly spaced data points,
  > with the xtic labels being coming from the 'ind:' column (2, in the first data set here).
  >
  > The behavior I expected was to use the second column (Frequency) as the independent variable, and to get a
  > plot with 3 groups of 3 points, near frequencies of 1, 10, and 20. as I get with the 'Data Set B' group.
  >
  > Is this expected and correct?
  >
  
  Hi Jerry,
  
  Not exactly expected, but I believe it is the correct behavior for now.
  Notice that you are missing an hline in your table after the headers.
  Without an obvious division between the headers, and the table data
  org-plot can not tell that the data is numeric, and should be
  interpreted as such, so it applies the values of the index column as
  xlabels to evenly spaced points (as if they were strings).  Try the
  following table, and you should get a result more inline with
  expectations.
  
  #+PLOT: ind:2 with:points
  | Index | Frequency | Amplitude | Phase | Delta | Peak |
  |-------+-----------+-----------+-------+-------+------|
  |     1 |       0.9 |         9 |     6 |     5 |  198 |
  |     2 |       1.0 |        10 |     9 |     7 |  212 |
  |     3 |       1.1 |        11 |     8 |     3 |  144 |
  |     4 |       9.9 |        19 |    12 |     9 |  235 |
  |     5 |      10.0 |        18 |     7 |    12 |  222 |
  |     6 |      10.1 |        22 |    14 |     4 |  187 |
  |     7 |      19.9 |        14 |    11 |     6 |  220 |
  |     8 |      20.0 |        20 |    15 |    14 |  213 |
  |     9 |      20.1 |        18 |    16 |    11 |  201 |
  
  >
  > I know that this will also include the first column in the plot, which leads to my next question.
  >
  > Question 2:
  > When I try to use the deps option, I either get an error or an undesired result.  For example, if I include
  > a "deps:3,4", I get a "Wrong type argument" error.  If I enclose the 3,4 in single quotes (eg. deps:'3,4'),
  > I get only the third column plotted, and not both third and fourth as I expected.  What am I doing wrong?
  > A comment - enclosing the argument for deps in single quotes, if that is the intention, seems inconsistent
  > with the arguments for other options of that type (ind, for example).
  >
  
  Sorry, the documentation is wrong and it specifies that the dependent
  columns should be specified as a comma separated list, when in actuality
  they should be specified as a standard lisp list "inside parenthesis
  separated by spaces".  Thanks for catching this, I will submit a patch
  to the documentation.
  
  #+PLOT: ind:1 deps:(3 4)
  | Frequency | Amplitude | Phase | Delta | Peak |
  |-----------+-----------+-------+-------+------|
  |       0.9 |         9 |     6 |     5 |  198 |
  |       1.0 |        10 |     9 |     7 |  212 |
  |       1.1 |        11 |     8 |     3 |  144 |
  |       9.9 |        19 |    12 |     9 |  235 |
  |      10.0 |        18 |     7 |    12 |  222 |
  |      10.1 |        22 |    14 |     4 |  187 |
  |      19.9 |        14 |    11 |     6 |  220 |
  |      20.0 |        20 |    15 |    14 |  213 |
  |      20.1 |        18 |    16 |    11 |  201 |
  
  >
  > Question 3:
  > Is there a way to produce 2 different plots from the same table data?
  >
  
  Currently no there is not.  In the current setup all of the plot lines
  adjacent to a table are collected and used to generate a single plot for
  the table.  I does seem like a good idea to allow multiple plots from a
  single table.  Two ideas that come to mind are...
  
  1) keep all of the plot lines adjacent with the table, but number them
     into any number of different plots.  For example the following would
     specify plots 1 and 2 for a table
  
  #+PLOT1: title:"the first plot"
  #+PLOT1: ind:1 with:points
  #+PLOT2: title:"the second plot on the same table"
  #+PLOT2: ind:2 deps:(3 4) with:lines
  | Frequency | Amplitude | Phase | Delta | Peak |
  |-----------+-----------+-------+-------+------|
  |       0.9 |         9 |     6 |     5 |  198 |
  |       1.0 |        10 |     9 |     7 |  212 |
  |       1.1 |        11 |     8 |     3 |  144 |
  |       9.9 |        19 |    12 |     9 |  235 |
  |      10.0 |        18 |     7 |    12 |  222 |
  |      10.1 |        22 |    14 |     4 |  187 |
  |      19.9 |        14 |    11 |     6 |  220 |
  |      20.0 |        20 |    15 |    14 |  213 |
  |      20.1 |        18 |    16 |    11 |  201 |
  
  2) the only other mechanism which occurs to me is to somehow label the
     table with a unique ID, and then allow the plot lines to be located
     anywhere in the org-mode file and include the table ID as a new
     argument to the PLOT lines.  This approach seems more flexible if
     more complicated.
  
  Thanks for the bug reports and ideas -- Eric
  
  >
  > Thanks again for the help.
  > Jerry
  >
  > ** Data Set A
  > #+PLOT: ind:2
  > | Index | Frequency |  Amplitude | Phase | Delta | Peak |
  > |     1 |       0.9 |          9 |     6 |     5 |  198 |
  > |     2 |       1.0 |         10 |     9 |     7 |  212 |
  > |     3 |       1.1 |         11 |     8 |     3 |  144 |
  > |     4 |       9.9 |         19 |    12 |     9 |  235 |
  > |     5 |      10.0 |         18 |     7 |    12 |  222 |
  > |     6 |      10.1 |         22 |    14 |     4 |  187 |
  > |     7 |      19.9 |         14 |    11 |     6 |  220 |
  > |     8 |      20.0 |         20 |    15 |    14 |  213 |
  > |     9 |      20.1 |         18 |    16 |    11 |  201 |
  >
  > ** Data Set B
  > #+PLOT: ind:1
  > | Frequency | Amplitude | Phase | Delta | Peak |
  > |-----------+-----------+-------+-------+------|
  > |       0.9 |         9 |     6 |     5 |  198 |
  > |       1.0 |        10 |     9 |     7 |  212 |
  > |       1.1 |        11 |     8 |     3 |  144 |
  > |       9.9 |        19 |    12 |     9 |  235 |
  > |      10.0 |        18 |     7 |    12 |  222 |
  > |      10.1 |        22 |    14 |     4 |  187 |
  > |      19.9 |        14 |    11 |     6 |  220 |
  > |      20.0 |        20 |    15 |    14 |  213 |
  > |      20.1 |        18 |    16 |    11 |  201 |
  >
  > _______________________________________________
  > Emacs-orgmode mailing list
  > Remember: use `Reply All' to send replies to the list.
  > Emacs-orgmode@gnu.org
  > http://lists.gnu.org/mailman/listinfo/emacs-orgmode
  
  ^ permalink raw reply	[flat|nested] 5+ messages in thread

• • * Re: org-plot questions
      2008-10-22 15:35 ` Eric Schulte
    @ 2008-10-22 17:39   ` JBash
      2008-10-22 22:43     ` Eric Schulte
      0 siblings, 1 reply; 5+ messages in thread
    From: JBash @ 2008-10-22 17:39 UTC (permalink / raw)
      To: Eric Schulte; +Cc: emacs-orgmode
    
    
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    Thanks, Eric!
    
    It's a great tool... I like how it, within org, makes it easy to keep the
    data organized an yet easily accessible.
    
    Another quick org-plot question...
    
    I found that to turn on the grid, I use:
    #+PLOT: set:grid
    
    So, to set an axis label, I tried
    #+PLOT: set:xlabel("Frequency")
    and
    #+PLOT: set:xlabel "Frequency"
    and a few other things, but didn't hit on the right combination.  What's the
    correct syntax?
    
    --snip--
    
    >
    > Notice that you are missing an hline in your table after the headers.
    >
    
    Sorry, I should have seen that.
    
    >
    > > When I try to use the deps option, I either get an error or an undesired
    > result.  For example, if I include
    > > a "deps:3,4", I get a "Wrong type argument" error.  If I enclose the 3,4
    > in single quotes (eg. deps:'3,4'),
    >
    
    >
    > Currently no there is not.  In the current setup all of the plot lines
    > adjacent to a table are collected and used to generate a single plot for
    > the table.  I does seem like a good idea to allow multiple plots from a
    > single table.  Two ideas that come to mind are...
    >
    > 1) keep all of the plot lines adjacent with the table, but number them
    >   into any number of different plots.  For example the following would
    >   specify plots 1 and 2 for a table
    >
    > #+PLOT1: title:"the first plot"
    > #+PLOT1: ind:1 with:points
    > #+PLOT2: title:"the second plot on the same table"
    > #+PLOT2: ind:2 deps:(3 4) with:lines
    > | Frequency | Amplitude | Phase | Delta | Peak |
    > |-----------+-----------+-------+-------+------|
    > |       0.9 |         9 |     6 |     5 |  198 |
    > |       1.0 |        10 |     9 |     7 |  212 |
    > |       1.1 |        11 |     8 |     3 |  144 |
    > |       9.9 |        19 |    12 |     9 |  235 |
    > |      10.0 |        18 |     7 |    12 |  222 |
    > |      10.1 |        22 |    14 |     4 |  187 |
    > |      19.9 |        14 |    11 |     6 |  220 |
    > |      20.0 |        20 |    15 |    14 |  213 |
    > |      20.1 |        18 |    16 |    11 |  201 |
    >
    > 2) the only other mechanism which occurs to me is to somehow label the
    >   table with a unique ID, and then allow the plot lines to be located
    >
    
    This feature (multiple plots from a single table) would be a very nice
    addition, with either approach.
    
    >
    >
    > Thanks for the bug reports and ideas -- Eric
    >
    
    You're welcome, and thanks for your help.
    
    Jerry
    
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    _______________________________________________
    Emacs-orgmode mailing list
    Remember: use `Reply All' to send replies to the list.
    Emacs-orgmode@gnu.org
    http://lists.gnu.org/mailman/listinfo/emacs-orgmode
    
    ^ permalink raw reply	[flat|nested] 5+ messages in thread

  • • * Re: org-plot questions
        2008-10-22 17:39   ` JBash
      @ 2008-10-22 22:43     ` Eric Schulte
        2008-10-23  1:14       ` Samuel Wales
        0 siblings, 1 reply; 5+ messages in thread
      From: Eric Schulte @ 2008-10-22 22:43 UTC (permalink / raw)
        To: JBash; +Cc: emacs-orgmode
      
      JBash <bashveank@gmail.com> writes:
      
      > Thanks, Eric!
      >
      > It's a great tool... I like how it, within org, makes it easy to keep the data organized an yet easily
      > accessible.
      >
      
      Thanks, I'm happy it's proving useful.
      
      >
      > Another quick org-plot question...
      >
      > I found that to turn on the grid, I use:
      > #+PLOT: set:grid
      >
      > So, to set an axis label, I tried
      > #+PLOT: set:xlabel("Frequency")
      > and
      > #+PLOT: set:xlabel "Frequency"
      > and a few other things, but didn't hit on the right combination.  What's the correct syntax?
      >
      
      try 
      
      #+PLOT: set:"xlabel 'Frequency'"
      
      You need the double " quotes for any argument that contains spaces, and
      gnuplot requires quotes (in this case using single ' quotes) around the
      argument to xlabel.
      
      I agree this isn't obvious, if you have a suggestion for improving the
      syntax please let me know.
      
      >     Currently no there is not.  In the current setup all of the plot lines
      >     adjacent to a table are collected and used to generate a single plot for
      >     the table.  I does seem like a good idea to allow multiple plots from a
      >     single table.  Two ideas that come to mind are...
      >    
      >     1) keep all of the plot lines adjacent with the table, but number them
      >       into any number of different plots.  For example the following would
      >       specify plots 1 and 2 for a table
      >    
      >     #+PLOT1: title:"the first plot"
      >     #+PLOT1: ind:1 with:points
      >     #+PLOT2: title:"the second plot on the same table"
      >     #+PLOT2: ind:2 deps:(3 4) with:lines
      >     | Frequency | Amplitude | Phase | Delta | Peak |
      >     |-----------+-----------+-------+-------+------|
      >     |       0.9 |         9 |     6 |     5 |  198 |
      >     |       1.0 |        10 |     9 |     7 |  212 |
      >     |       1.1 |        11 |     8 |     3 |  144 |
      >     |       9.9 |        19 |    12 |     9 |  235 |
      >     |      10.0 |        18 |     7 |    12 |  222 |
      >     |      10.1 |        22 |    14 |     4 |  187 |
      >     |      19.9 |        14 |    11 |     6 |  220 |
      >     |      20.0 |        20 |    15 |    14 |  213 |
      >     |      20.1 |        18 |    16 |    11 |  201 |
      >    
      >     2) the only other mechanism which occurs to me is to somehow label the
      >       table with a unique ID, and then allow the plot lines to be located
      >
      > This feature (multiple plots from a single table) would be a very nice
      > addition, with either approach.
      
      I agree, if I find time I will look at implementing it.
      
      Thanks -- Eric
      
      ^ permalink raw reply	[flat|nested] 5+ messages in thread

    • • * Re: org-plot questions
          2008-10-22 22:43     ` Eric Schulte
        @ 2008-10-23  1:14       ` Samuel Wales
          0 siblings, 0 replies; 5+ messages in thread
        From: Samuel Wales @ 2008-10-23  1:14 UTC (permalink / raw)
          To: Eric Schulte; +Cc: emacs-orgmode
        
        On Wed, Oct 22, 2008 at 15:43, Eric Schulte <schulte.eric@gmail.com> wrote:
        > I agree this isn't obvious, if you have a suggestion for improving the
        > syntax please let me know.
        
        I haven't looked into this matter, so this comment might not be
        relevant, but I do have a suggestion that I had earlier written for
        the *general* problem of choosing a syntax for new functionality when
        you don't have obvious models to follow.
        
        Some of the desiderata for a syntax include: consistent, easy to
        parse, hard to corrupt, simple to quote, simple to escape (especially
        with things like regexps that are already complicated), supports being
        confident that exporting will not exhibit unexpected behavior, easier
        for the user to remember without reference materials, flexible,
        extensible, supports macros, nestable, pretty-printable, a published
        reference standard, and print-readable (serializing).  If your syntax
        has those, then you're doing well.
        
        If you don't have a model to follow (such as org or gnuplot), then
        Lisp (el because this is el or cl because it's a standard that is
        similar to el and meticulously speced) has usually had a lot of
        thought put into its syntax.  You might get a joke or two, but we know
        better.  :)
        
        Again, perhaps not relevant, but maybe food for thought for future
        questions about syntax.
        
        ^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2008-10-23  1:14 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2008-10-22 14:27 org-plot questions JBash
2008-10-22 15:35 ` Eric Schulte
2008-10-22 17:39   ` JBash
2008-10-22 22:43     ` Eric Schulte
2008-10-23  1:14       ` Samuel Wales

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