Convert ISERROR formulas to IFERROR formulas [macro]

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Last Friday, we have learned about an interesting formula – IFERROR Formula using which you can easily handle errors in Excel workbooks.

Quite a few people reading that page asked, “Wow, this is good. But how can I take a sheet full of =IF(ISERROR(…)….) formulas and convert them to =IFERROR()”

There is a different set of folks who asked “Wow, this is good. But quite a few of my colleagues use Excel 2003 and they see a bunch of #NAME errors when I send them an excel workbook with IFERROR formulas. Any help?!?”

I am pleased to announce that I wrote 2 simple macros, iferror2iserror() and iserror2iferror() that would scan formulas in a bunch of selected cells and convert them from IFERROR to ISERROR and vice-a-versa. Pretty cool, eh?

Download Excel Macros Workbook

Click here to download the workbook that has macros to convert IFERROR formulas to ISERROR formulas and vice-a-versa.

If you just want to examine the code:

Click here to view the VBA Module code.

What are these macros and how do they work?

The workbook contains 2 macros – iferror2iserror() & iserror2iferror().

What does iferror2iserror() macro do?

As the name suggests, It scans a bunch of selected cells for any IFERROR formulas and then converts them to ISERROR formulas.

For eg. if a cell has =IFERROR(expression, error), the output would be =IF(ISERROR(expression),error,expression)

What does iserror2iferror() macro do?

This macro scans a bunch of selected cells for any ISERROR formulas and then converts them to IFERROR formulas.

For eg. if a cell has =IF(ISERROR(expression),error,expression), the output would be =IFERROR(expression, error)

How to use these macros?

Very simple. Just select the cells with formulas and then run the required macro. The macros only affect cells with either IFERROR or ISERROR formulas.

Convert ISERROR formulas to IFERROR formulas and vice-a-versa - Excel Macros

What are the limitations of these macros?

These macros should hold good for many real life scenarios. That said,

  1. These macros do not check for IFERROR (or ISERROR) recursively. ie, if a formula has IFERROR inside another IFERROR, only the first one would be converted.
  2. These macros do not work when you have commas (,) inside the formula in double quotes. For eg. the below formula fails.
    =IFERROR(VLOOKUP("Kirk, James",tblStarwars,2,false),"Captain not found"))

    Your comments:

    How do you convert IFERROR or ISERROR formulas? Do you use a macro or you manually change the formulas? Please share your techniques and ideas using comments.

    Also, if you wish to modify the code, please feel free to do so. Share your work with rest of us thru comments so that we can benefit too.

    Get more Macro examples:

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    46 Responses to “6 Best charts to show % progress against goal”

    1. Andreas says:

      Chandoo, thanks for another interesting post.

      One thing I'm missing is the question: What is progress, what does one want to know exactly?

      I'm asking the question because I think of progress as not the same as "state of completion." Percentages/bars, etc., as shown above, are great to communicate state of completion, but less so for progress.

      That's because project progress is how state of completion *relates to* the resources spent so far. Resources can be things like dollars spent, hours spent or project time passed. For example, 5% would be "good progress" in the first week of a one-year project, but terrible progress in the last week of the project.

      The way I prefer to report progress is as a simple line chart with time on the x axis, and maybe a marking for the end point (and maybe an "ideal"/"as planned" line).

      If it really must be a single number, you could go a EVA-ish route and divide the current % of completion by the current % of project time passed, which gives you a schedule performance index (1 or bigger than 1 = good; smaller than 1 = bad). For this, your suggested charts should work great!

      • David says:

        I avoid 'progress' except where I can objectively assess progress, such as counting bricks laid or concrete poured. For intellectual work, I don't think that its possible to measure progress to completion with any reliability or credibility. I prefer to update forcasts of completion date, because that's where the effect of completion on dependent activities, deliverables and outturn value of the project is felt. This is also referred to as the 0-100 method. An activity is set at 0 complete until its actually finished, when it is set at 100% complete.

    2. Doug H says:

      Hi Chandoo,

      Great post! I have a preference towards thermometer charts too mainly because of the target/actual comparison.

      Just an FYI...seems like the the screen shot for the pies #4 are under the #5 heading. Also the pies conditional formatting is something that doesn't accurately portray completion since the pies are segmented into quarters.

      AND also a little trivia...those "pies" are called Harvey Balls, named after Harvey Poppel...

    3. Eric C. Lind says:

      Chandoo,

      I wonder. Is there a trick to unzipping your files?
      I always seem to end up with a series of XML files rather than an XLSX.

      Thanks a lot. 🙂

      Eric~

    4. Mario says:

      Hi Chandoo,
      Thank you again for this amazing help you are so resourcefull to make us little bit more amazing everyday.

      When I click on the link on the page "http://img.chandoo.org/c/best-charts-for-goal-progress-comparison.xlsx" it is always bringing me to a zip file with all XML files without the XLSX file. I tried with mozilla and IE.

      Thank you

    5. Chandoo says:

      @All having trouble with download file.

      1. Download the file.
      2. Rename the extension as .xlsx
      3. Double click or open it in Excel

      • Ian H says:

        Doesn't make any difference Chandoo, still end up with a zip file full of xml related files/folders

        • Hui... says:

          @Ian H
          Download the zipped file and rename it to *.xlsx
          where * is the filename

          ps: Great name!

          • Ian H says:

            Many thanks for your help Hui but not sure why you are repeating what Chadoo said and which I first posted to because it didn't work for me. I did as he said and it didn't work, hence my post.

            Chandoo says:
            March 11, 2014 at 1:52 am
            @All having trouble with download file.

            1. Download the file.
            2. Rename the extension as .xlsx
            3. Double click or open it in Excel

      • Chandoo says:

        Also, please note that we are investigating an issue with our webserver settings that may be causing this behavior. Sorry for the inconvenience. I am hoping to get this fixed in next 48 hours.

    6. Belle says:

      I used thermometer chart & conditional formatting using traffic lights. I just recently completed a dashboard I hope you can take a look but don't know where to send it. Thanks.

    7. Manoj Varghese says:

      The in-cell bar charts is very interesting. This is not to be used as one can easly do manipulations by changing fonts/ font size etc

    8. Prisha says:

      Hi..this is really helpful..
      but I hve one quick ques..is it possible to hve conditional formating for chart graph based on text value and not the numbers..if I take your example project one bar should be red...if data is project 2 then it should be blue..basically we mke chart based on countries n each countries are assigned specific color...so I want a way where I can use conditionsl formating and not do it manaually each month.

    9. Mark says:

      Hi Chandoo,

      Great article and will be very useful.

      One question - is it possible to have in-cell bar chart and the percentage complete (similar to icons)?

    10. Arup Chakraborty says:

      Hi Chandoo,

      I am a great fan of you since i stumbled upon your blog. Your blog is very informative and insightful. I liked the way you presented the 5 steps using thermometer chart. I was very much inspired by that and tried to make my own version with 20 tasks to complete. On and after 17th step it was going downward. So I wanted to ask you that is there any limitation to thermometer chart

    11. […] shows us the 6 best charts to use, when you want to show your progress against a goal. There’s a sample file to download, so you can experiment on your […]

    12. Istiyak Shaikh says:

      Is there any xhart is available which can show achivement percentage it may 80% or 120% means more an set target.?

    13. Ross says:

      Hi Chandoo,
      Love your site. I have a small question regarding plotting data that contains ranking. I have 2 fields - Country, Rank. Note that i don't have the absolute values from which the rank has been calculated. So what is the best way of showing this on a graph given only the above 2 fields. Appreciate it

      Regds,
      Ross

    14. Vignesh says:

      Dear Chandoo Sir,

      Really awesome post.
      Thanks.

      Vignesh.V

    15. David Macdonald says:

      We can always rely on Chandoo to explain to us clearly things that perhaps we already knew but weren't putting into practice the best way.
      A limit I never liked about data bars was that they are monochrome - one colour for positive values, one colour for negative. So a couple of weeks ago I sat down to figure out a workaround. If anyone's interested...
      http://digimac.wordpress.com/2014/06/29/multicoloured-data-bars-in-excel/

      • David Macdonald says:

        Epic fail on my part! After three months I just found out that what worked on my machine, didn't work on others.
        Problem solved, more functions added.

    16. Brian says:

      The link above at
      To hide them use ;;; custom cell formatting code (how to).
      appears to be incorrect. However, using the downloaded file and selecting a cell(s) from that example provides the easy answer.

      I wondered if the pies could have a color other than black and white (which, of course, would raise the color-blindness issue that you referred to with the traffic lights example).

    17. Aden says:

      Hi Chandoo!

      Thanks for the informative post!

      I have managed to understand and replicate all of the progress graphs except one, the thermo bar. I read up on the tutorial of how to create them, and I understand almost everything about the look and use of the bar, but one problem I am having is that I cannot seem to "center" the bar into the cell like you did. The reason being that even though the highest input (progress) percent is 100%, the program automatically puts in another 20%, so instead of 100% stopping at the end of the graph, it stops 20% short and I have a huge space at the end because of it.

      How did you counter that problem? I have been trying for hours to fix it

    18. Ken says:

      Thanks. I started running a project recently, and I found your charts to be really helpful in tracking it's progress. I'm glad I found your page.

    19. Chulapo says:

      Hi Chandoo!
      Great stuff for my customized project moving forward. However, when I use the blue block bars, the %ages spark up to smt like 5000% and cannot lower them nor scale them. If I input manually such as 50% without formatting a column, the bar for 50% e.g., will fill the cell completely, so that's kind of odd... what to do?
      Thanks!

      • shakira says:

        I guess I have the same problem. When I put 50 and click on the percentage, it is giving me 500%. Can someone help us on this. Thanks in advance

    20. Lisa says:

      Hey,

      Thank you for making this page. I do have one problem with the thermo graphs. Whenever I try to drag the graphs from one cell to the cell beneath it, the data remains selected on the former.

      For example, if I had a thermo with a target number in A1 and an actual number in B1 with my thermo in C1, when I drag my thermo into C2, C3, etc., all of the graphs show the results from A1 and B1.

      Is there a way to have these graphs update automatically as I will be regularly working in an excel file with hundred of entries?

      P.S. I removed the $ symbols from 'Select Data', but that did not fix the problem.

      Thanks again!

      • Hui... says:

        @Lisa

        Not sure but it sounds like the new cells have Conditional formats applied

        Select just the new cells
        Select Conditional formatting, Clear Rules, Clear Rules from selected Cells

    21. Tito says:

      Hi Chandoo.
      I am charting on some defaulter data where greater than zero is not desirable. Problem is that I have to highlight zero as target and anything above as undesirable. Seek your help

    22. Pedro says:

      Hi Chandoo
      Great post!
      But I am wondering why bullet chart is not on this list. Is there a reason for its absence?

    23. Sari says:

      Thank you for these instructions. The bonus 5 Step Progress Meter you included would be perfect for my project. Where can I find the instructions?

    24. Antonio says:

      Hi,
      Do you know of any simple way to reduce the Data Bars padding so that they fit within the cells?
      Thanks and great posy!
      Regards

    25. Adorn Age Defense says:

      Appreciating the dedication you put into your website and in depth information you
      provide. It's good to come across a blog every once in a while that isn't the same out of date rehashed information. Wonderful
      read! I've bookmarked your site and I'm including your
      RSS feeds to my Google account.

    26. Isobel says:

      With #1 and #2, how would you also apply a red amber green to the bars (is it possible within chart formatting or would you need to utilise CF)?

      I'm thinking of an in cell bar of some kind which will show against a known goal end date how far along with the goal you are (this is to be used for 'how many of the X number of people that I need to train in X timeframe, have been trained and therefore which of each training group is on track to complete on time or falling behind'.

      So there would be knowns of number of people, target end date but I'd want it to reflect accurately as some groups of trainees might only have 50 in so their 50% done would be different to a group of trainees where their group had 200 people in it - but 50% would still be the same. Somewhere there'd probably need to be something which noted that there was a different volume of trainees so it could but the remaining effort to train people into context?

      Hope that makes some kind of sense, I could be waffling!

    27. […] charts.  Its got things like “Best Charts to Compare Actuals vs Targets” and “Best charts to show progress“. I love me some charts […]

    28. Nawa says:

      Thanks a lot my dear.
      very Useful it for me.

    29. MarcoX says:

      Another great post, thanks for sharing.

    30. Noah says:

      Chandoo, I am just starting an Excel class, and everything in the class is new to me. I am learning how to use all of these great charts but don't know what they are all used for. Thank you for your post and I think I will be able to use this down the road throughout my business career

    31. in the above charts , Chart #2: Conditional Formatting Data Bars

      ->Assume if we have completed 35% of work it is showing in Blue color ,in the same cell remaining 65% of work should shows in some color , how to show?

    32. RACHIT NAMDEV says:

      Hi Sir,

      This is Rachit and I am a big fan of you and your work. This is to request you please make a video for Beverages Sales performance data analysis in Excel.

      Regards,

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