This is a guest post by Vijay, our in-house VBA Expert.
Hello Everyone,
This post shows how to make project risk maps using VBA. If you have modern versions of Excel (365, 2019 or 2016 with TEXTJOIN() function), see the Excel Risk Map Template page.
We all have some projects to manage every now and then and there are needs of various trackers that help us in gauging the progress of the same. One of the most important things are heat maps that quickly help us in visually displaying the names of the projects that need special attention and resolve issues that are impacting them.
So go ahead and grab a cup of coffee and read this article that would help you in creating a Risk Heat Map in excel (will use some double shot espresso in the form of VBA code) to help us to the target.
Before we begin – Data for Project Risk Maps
First of all we will understand what we are trying to create here by looking at the image below.
You would have seen a picture like this while managing project risks.
So today we will be learn how to create this in Excel to become more awesome in managing projects.
What is important here is how your data for the projects/entities being tracked laid out. We will use the Excel data tables [structured references] to help us here.
There is a Setup sheet in the excel file where we can add the names of the projects that we will use on the data table, as well as the Probability and Impact have been defined as data tables. This helps us in using their contents as drop down options in the data table.
Adding Named Ranges
We need to use the Name Manager to create named ranges to be able to use the data table columns as drop down items, this is show below.
- 1.Type this in a blank cell and then copy “=tblProject[Project]”.
- 2.Bring up the Name Manager by pressing CTRL + F3, or by going to the Formula’s Tab and clicking on Name Manager.
- 3.Click on New
- 4.Type the name lstProject in the Name box
- 5.Paste “=tblProject[Project]” in the Refers To box and the click on OK.
Repeat this process for “=tblProbability[Probability]” and “tblImpact[Impact]”
Now you can go the actual risk data table and select the Project columns first blank cell and put in Data Validation List here, choose List and put the Source as lstProject. Repeat this for Probability and Impact cells. You will only need to this one time for the first row, new rows when added to the table will automatically contain these settings.
After we have created the above data table, we need to add 3 columns to the right side where we will setup the calculation that will be used to update the risk map.
a) First Column is named as “ProbabilityScore” Since probability has been marked as “A, B, C or D”, we would need to convert this into a number. This is done by using the below formula.
=IFERROR(CHOOSE(MATCH([@Probability],lstProbability,0),4,3,2,1),””)
b) Second Column is named as “SearchString”
=IF([@Status]=”Open”,CONCATENATE(“x”,[@ProbabilityScore]^4+[@Impact]),””)
c) Third column is named as “DisplayName”
=CONCATENATE([@ID],” “,LEFT([@Project],20),IF(LEN([@Project])>20,”…”,””))
Understanding the SearchString Table
When creating the SearchString we are raising the probability score to the power of 4, this is what I have chosen you may select any number that you need. Below is the resulting matrix of numbers that we obtain by doing this.
The last columns in only used for trimming the name of the project to 20 characters of there is a big name, else the actual name of the project is used to display in the Risk Map.
Understanding the Code
So now we are ready to look into the VBA code that helps us in creating the Risk Map.
Public Function showRiskMap(inputRange As Range, searchString As String, dataRange As Range, separator As String)
Dim cntr As Long
Dim tempArray() As Variant
Dim tempDataArray() As Variant
Dim tempString As String
tempArray = inputRange.Value
tempDataArray = dataRange.Value
For cntr = LBound(tempArray) To UBound(tempArray)
If tempArray(cntr, 1) = searchString Then
tempString = tempString & tempDataArray(cntr, 1) & separator
End If
Next
showRiskMap = tempString
End Function
We are sending 4 parameters to this function which are
- inputRange – this is the SearchString columns data
- SearchString – this is a manual enrty such as “x257”
- dataRange – this is the Display Name column from where we will pick the name of the project to display
- separator – this is CHAR(10) which is a line break in case we have multiple projects falling in the same category
We are making use of Array’s here to pass the data from the Table column into the array and then a simple For loop to parse them and show us the results.
I hope you will enjoy this article and this assist in managing your projects in a much efficient way.
Download Excel Risk Map File
Click here to download the file & use it to understand this technique.
Click here for Risk Map Template for new versions of Excel.
Do you use Excel for creating Risk Maps?
Do you also user Excel for creating Risk Maps? If yes please put in the comment below how do you use the same and what has been your experience. Leave a comment.
More on VBA & Macros
If you are new to VBA, Excel macros, go thru these links to learn more.
Join our VBA Classes
If you want to learn how to develop applications like these and more, please consider joining our VBA Classes. It is a step-by-step program designed to teach you all concepts of VBA so that you can automate & simplify your work.
Click here to learn more about VBA Classes & join us.
About Vijay
Vijay (many of you know him from VBA Classes), joined chandoo.org full-time this February. He will be writing more often on using VBA, data analysis on our blog. Also, Vijay will be helping us with consulting & training programs. You can email Vijay at sharma.vijay1 @ gmail.com. If you like this post, say thanks to Vijay.
12 Responses to “29 Excel Formula Tips for all Occasions [and proof that PHD readers truly rock]”
Some great contributions here.
Gotta love the Friday 13th formula 😀
Great tips from you all! Thanks a lot for sharing! bsamson, particularly you helped me on a terribly annoying task. 🙂
(BTW, Chandoo, it's not exactly "Find if a range is normally distributed" what my suggestion does. It checks if two proportions are statistically different. I probably gave you a bad explanation on twitter, but it'd be probably better if you fix it here... 🙂 )
Great compilation Chandoo
For the "Clean your text before you lookup"
=VLOOKUP(CLEAN(TRIM(E20)),F5:G18,2,0)
I would like to share a method to convert a number-stored-as-text before you lookup:
=VLOOKUP(E20+0,F5:G18,2,0)
@Peder, yeah, I loved that formula
@Aires: Sorry, I misunderstood your formula. Corrected the heading now.
@John.. that is a cool tip.
Hey Chandoo,
That p-value formula is really great for a statistics person like me.
What a p-value essentially is, is the probability that the results obtained from a statistical test aren't valid. So for example, if my p value is .05, there's a 5% probability that my results are wrong.
You can play with this if you install the Data Analysis Toolpak (which will perform some statistical tests for you AND provide the P Value.)
Let's say for example I've got two weeks of data (separated into columns) with the number of hours worked per day. I want to find out if the total number of hours I worked in week two were really all the different than week one.
Week1 Week2
10 11
12 9
9 10
7 8
5 8
Go to Data > Data Analysis > T-Test Assuming Unequal Variances > OK
In the Variable 1 Box, select the range of data for week 1.
In the Variable 2 Box, select the range of data for week 2.
Check "Labels"
In the Alpha box, select a value (in percentage terms) for how tolerant you are of error.
.05 is the general standard; that is to say I am willing to accept a 95% level of confidence that my result is accuarate.
Select a range output.
Excel calculates a number of results: Average (mean) for each week's data, etc.
You'll notice however that there are two P Values; one-tail and two-tail. (one tail tests are for > or .05), the number of hours I worked in week two is statistically equivalent to the number of hours I worked in week one.
So here’s a way you might want to use this. You put up a new entry on your blog. You think it’s the best entry ever! So you pull your webstats for this week and compare it to last week. You gather data for each week on the length of time a visitor spends on your website. The question you’re trying to prove statistically is whether there’s an average increase in the amount of time spent on your website this week as compared to last week (as a result of your fancy new blog post). You can run the same statistical test I illustrated above to find out. Incidentally, it matters very little to the stat test whether the quantity of visitors differs or not.
Anyhow, the Data Analysis toolpack doesn't perform a lot of stat tests that folks like me would like to have access to. In those cases I have to either use different software, or write some very complicated mathematical formulas. Having this p-value formula makes my life a LOT easier!
Thanks!
Eric~
Fantastic stuf..One line explanation is cool.
Thanks to all the contributors
OS
Take FirstName, MI, LastName in access (you can fix it to work in excel) capitalize first letter of each and lowercase the rest and add ". " if MI exists then same for last name:
Full Name: Format(Left([FirstName],1),">") & Format(Right([FirstName]),Len([FirstName])-1),"") & ". ","") & Format(Left([LastName],1),">") & Format(Right([LastName],Len([LastName])-1),"<")
I teach excel, access, etc etc for a living and i have my access students build this formula one step at a time from the inside out to show how formulas can be made even if it looks complicated. Yes I know I could just do IsNull([MI]) and reverse the order in the Iif() function but the point here is to nest as many functions as possible one by one (also I illustrate how it will fail without the Not() as it is)
Extract the month from a date
The easiest formula for this is =MONTH(a1)
It will return a 1 for January, 2 for February etc.
if in a column we write the value of total person for eg. 10 if we spent 1.33 paise each person then how we get total amount in next column and the result will in round form plzzzzz solve my problem sir................... thank u
@Anjali
If the value 10 is in B2 and 1.33 paise is in C2 the formula in D2 could be =B2*C2
If the values are a column of values you can copy the formula down by copy/paste or drag the small black handle at the bottom right corner of cell D2
kindly share with me new forumulas.
How to convert a figure like 870.70 into 870 but 871.70 into 880 using excel formula ? Please help.