bar graph

  1. L

    plotting the effect of treatment on plants

    Hello, I have some plant data, which contains several plant groups. Within the plant groups there are different plant sizes (devided in groups). For each plant I noted whether it was infected before and after the treatment: data = data.plant > str(data.plant) $ Group.nr: Factor w/15...
  2. T

    Bar graph showing difference of means

    Is there a way to create a bar graph, with multiple DVs, showing the difference between the means of the IV? I have two experimental conditions and would like to display the mean differences in one bar graph. The dependent variables are several different test scores and therefore each have a...
  3. S

    SigmaPlot: Statistical Significance

    Hey guys, I'm trying to add statistical significance data to a graph I have already generated on SigmaPlot (vertical bar with error bars). I have already generated the p values which determine the significance, but cannot find a way to add them to the graph. I was thinking adding data labels...
  4. A

    How to add horizontal lines above bar graph to display p-values

    How can I make a graph with horizontal lines above bars in a bar graph to display p-values to indicate a significant difference between groups? This is very common to see in research papers, but I have always manually had to draw these lines on top of the graph. Everyone else I talk to also...
  5. O

    Separate Error Bars in SigmaPlot12

    I'm having an issue inserting asymmetric error bars into a grouped bar graph on SigmaPlot version 12. The SEM is already calculated for each "bar" on the graph and I have a column with the SEMs right next to the column with the means. The information I found for creating asymmetric error bars...
  6. T

    [SYSTAT] - a few small chart editing issues

    Hi - am teaching myself to use SYSTAT (actually MYSTAT) and have two small hang-ups in editing a bar chart. 1) I cannot seem to edit the color of the boxes in the legend to correspond with the color that I have changed the bars in the chart. 2) I have changed the orientation of the Y-axis...