A scatter plot graph allows you to plot various points on a chart based on the X,Y co-ordinates. So what you’ll see here is we have got a couple of branches. We have got the Revenue Growth Percentage, and we have got the Growth Profit Percentage, so on a single graph I want to see when the Revenue Growth is 21% and the GP percent is 12% on the X,Y axis.
Now setting up for the scatter graph is very important – so you’ll see the first column is always the X axis and the subsequent column or columns is the Y axis. You’ll see I have given them some names, but is useful just to put on top what information you are looking for. What we can do is we highlight the X and Y axis – go to Insert – you’ll see under Scatter there are a couple of options. Let’s just use the X, Y co-ordinates here – click it – what you’ll see is it generates this graph. Looking at this graph it just gets a bit confusing about which percentage applies to what, so we are just going to label them. I go to Layout – go to axes and I am going to say the horizontal title – title below – then I know these belong to the Revenue Growth – and I know the vertical belongs to the GP percentage. Now we can look at what these are telling us – you can see if you hover over that point – that this the series with the Revenue Growth of 30%, which is represented here, has a GP percentage of 11%. So each of these points identify the Revenue Growth and the GP percentage. Just looking at this graph you can see that these all look reasonable and there is one here where basically the revenue is negative but the GP percentage is even more negative. It is a nice way of expressing some information.
Just a couple of things to be aware of – I am just going to move this down – now I am going to increase this to include those two extra cells . If you want to add a new point, you simply have to put in its X co-ordinate and its Y co-ordinate. You don’t have to worry about not duplicating – so, for example, if we have another point we can put in let’s say, another 31% here, same number as there – but for this one the GP percentage is – let’s make it a big number – 20%. When I push Enter just watch what happens here – you’ll see we get another point here. So you can add points, you mustn’t be afraid to duplicate the points that are on the X axis.
Also be aware that you aren’t limited to only one column for the Y axis. You can put another one in, so over here let me put Opex percentage, and effectively, that is the second Y axis. If I include that area in the graph, you’ll see the graph now has another item in the legend called Opex Percentage which will be represented by a red square. Let’s go here and put in a number like 15%. Notice my red square has popped up here, 15% on the Y axis and note that it’s using the very first column as its X axis again – so you’ll see the Revenue Growth is sitting there. So using this method you can plot multiple items on the same scatter graph. Let’s just to complete it, pretend that they are all exactly the same and you’ll see that no matter what, in this case, the Revenue Growth is, Opex percentage is always the same.
One of the problems with this is that I would actually like the labels to say what branch they come for, but the way the labels work with the X,Y graph, if I say add data labels you’ll see the label is actually considered the X axis or else it would be the Y or else it could be these labels here, all of which aren’t really meaningful. I am just going here- you’ll see if I don’t want the Y value, I may want the X value- you’ll see I get the percentage when I want the series name – you’ll see they all say GP percentage. What I’d like them to do is to say Joburg, Cape Town, Bloemfontein, etc. There are two ways around this, the first way is a little bit manual. What we can do is let’s choose this series here, and you’ll see this item here relates to a new item, and that one there relates to Bloemfontein. I can right click on my series, I am going to right click and add a data label. I am then going to click on the Data labels and click again – so we are now looking at that one, without doing anything else, I am going to click “equals” and notice that my equals has appeared up here in the formula bar. I know that relates to these lines – Bloemfontein – I go here – and when I click Enter, note what happens – suddenly the BLM appears for Bloemfontein. This one here, you can highlight that again – we know that this relates to JHB, I say “equals” JHB, Enter, and there is JHB. And so we can go on. In this case, let’s pretend we are only interested in those two – I can remove the individual ones and let’s remove this Opex Series and you can have a graph like this which not only gives you the points but actually gives you the labels as well.
Perhaps the better way is to do the following. It all involves the set up of the data. I will just go down here. What you’ll see, instead of setting it up nicely with the X axis and the Y axis right next to it, what I have done is created an X axis. But then for each branch, I have labelled it with the branch and then I have put its percentage in. Cape Town, labelled it, put the percentage in – so you have this jagged look. Let’s see what happens when I convert it into a scatter – go to scatter – click on that one. OK, you can see that is not quite what we want – so we just switch the rows and columns. OK. Now what we have got is suddenly, for each different branch, we have a different marker and it tells us exactly what the Revenue Growth is and the GP percentage growth is.
Advanced Excel Course – June 2013 in South Africa Our next advanced excel course is running during June 2013 in Johannesburg. During the week of the 10th June we offer the following options. You can either attend the full 5 … Continue reading
A very popular chart is the waterfall chart which shows the impact of various items on a total e.g. the various components that explain the move from budgeted profit to actual profit. A common way to build this is using … Continue reading
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