Difference between revisions of "Chart2/TrendLines"

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== Allow regression lines also for bar charts ==
 
== Allow regression lines also for bar charts ==
 
[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
 
 
  
  
Line 10: Line 8:
 
* Different types of regression lines are already offered: linear regression, exponential regression. But a polynomial regression curve is still missing. A macro on this site offers a workaround (french only):  
 
* Different types of regression lines are already offered: linear regression, exponential regression. But a polynomial regression curve is still missing. A macro on this site offers a workaround (french only):  
 
* http://oooconv.free.fr/fitoo/fitoo_fr.html
 
* http://oooconv.free.fr/fitoo/fitoo_fr.html
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=20819
  
  
 
== Allow more than one regression line for one series ==
 
== Allow more than one regression line for one series ==
 
[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=64813
  
  
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* Trend lines should also allow extrapolating. If data ranges from 1 to 5 but that x axes range from -2 to 10, then the trend line should display from -2 to +10.
 
* Trend lines should also allow extrapolating. If data ranges from 1 to 5 but that x axes range from -2 to 10, then the trend line should display from -2 to +10.
 
* In Excel, the setting is called forward forecast and backward forecast.  
 
* In Excel, the setting is called forward forecast and backward forecast.  
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=5085
  
  
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[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
 
* Get the mean value not only for Y but also for X. A special symbol could mark the intersection point (the center of gravity).  
 
* Get the mean value not only for Y but also for X. A special symbol could mark the intersection point (the center of gravity).  
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=64816
  
  
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[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
 
* Trend for X added to the existent Y trend line
 
* Trend for X added to the existent Y trend line
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=64817
  
  
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* It's not possible to automatically add the equation of the trend line and the coefficients.  
 
* It's not possible to automatically add the equation of the trend line and the coefficients.  
 
* This point is one of the last that block several schools migrations.
 
* This point is one of the last that block several schools migrations.
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=7998
  
  
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[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
 
* Error bar for X added to the existent Y one  
 
* Error bar for X added to the existent Y one  
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=64818
  
  
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[[Image:Chart2_TrendLines99.png]]
 
[[Image:Chart2_TrendLines99.png]]
 
* Obtain the value of the error bar from row or column in Calc
 
* Obtain the value of the error bar from row or column in Calc
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=99999
+
* covered in http://www.openoffice.org/issues/show_bug.cgi?id=366

Revision as of 14:39, 15 July 2007

Allow regression lines also for bar charts

File:Chart2 TrendLines99.png


Add polynomial regression type

File:Chart2 TrendLines99.png


Allow more than one regression line for one series

File:Chart2 TrendLines99.png


Extrapolating of trend lines

File:Chart2 TrendLines99.png

  • Trend lines should also allow extrapolating. If data ranges from 1 to 5 but that x axes range from -2 to 10, then the trend line should display from -2 to +10.
  • In Excel, the setting is called forward forecast and backward forecast.
  • covered in http://www.openoffice.org/issues/show_bug.cgi?id=5085


Mean value for X and center of gravity

File:Chart2 TrendLines99.png


Trend line for X

File:Chart2 TrendLines99.png


Trend line equation and coefficients

File:Chart2 TrendLines99.png


Error bar for X

File:Chart2 TrendLines99.png


Data source for values or the error bar

File:Chart2 TrendLines99.png

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