Analyzing 20,000 Comments

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On 14th July, evening 4:51 PM (GMT), Chandoo.org received its 20,000th comment. 20,000!
The lucky commenter was Ishav Arora, who chimed, “Like super computers…Excel is a super calculator!!!!” in our recent poll.

It took us 8 years & 15 days since the very first comment to get here. And it took just 1 year 7 months & 23 days to add the last 10,000 comments (we had our 10,000th comment on 21st November, 2010).

Chandoo.org 20,000 Comments - Analysis

Out of curiosity, I wanted to understand more about these 20,000 comments. So I downloaded our comment database, dumped it in Excel and start analyzing.

Understanding the comment growth

Although Chandoo.org has been around since 2004 July, we grew particularly chatty since 2009, when the site started becoming popular. If you look the time from first comment to now & plot total comments by date, this is how it looks. Each 1000 is highlighted (and 5,000s are marked in green).

Comment Growth by date - Chandoo.org comments

While it took us more than 5 years to get to 5,000 comment mark, the next 5k came in less than an year. Now a days, we are adding 114 comments every week.

Here is another chart, showing how many days it took us to get each successive thousand comments.

Days taken for each 1000 comments - Chandoo.org 20,000 comment analysis

Which months & days of week are popular?

Lets look at monthly trends of comments since 2008.

Comment trend by month - Chandoo.org 20,000 comment analysis

As you can see, All the months have seen growth since 2008 (and yoy for most months).

And when it comes to weekdays, Thursdays & Fridays are most popular with Chandoo.org commenters.

Comments by weekday - Chandoo.org 20,000 comment analysis

Who comments on Chandoo.org?

Between Hui & me, we have left 2,650 odd comments on Chandoo.org. The top 10 commenters have left a whopping total of 3,695 comments to date.

Lets look at how many comments are left by first time commenters vs. existing commenters.

Existing commenter is someone who has left a comment earlier with same email id.

# of comments left by first timers vs. repeat commenters  - Chandoo.org 20,000 comment analysis

As you can see, During first 10,000 comments, existing commenters used to rule. Now a days, about 40% comments are from new commenters.

Do newsletter subscribers comment?

We have more than 36,00 odd people tuned in to our newsletter. I wanted to know how many of them leave comments.

Comments by subscribers vs. non-subscribers - Chandoo.org 20,000 comment analysis

About 45% of comments are from Newsletter commenters. About 5% of our newsletter subscribers (2,055 people) actually comment. The rest are happy to read the newsletter and learn.

That means, on average, each newsletter subscriber adds 5 comments (where as non-subscribers add only 2 comments)

How much % of comments are from Top 10 commenters?

In the early days (for first few thousand comments), Top 10 commenters used to contribute 50% of comments. Now a days, their contribution is at 20%. This is because of the huge number of commenters we are adding every month. As our community grew, we have lots of people who are helping each other.

# of comments by Top 10 commenters vs. rest - Chandoo.org 20,000 comment analysis

Top 10 commenters – then & now

Here is how top 10 commenters fared since first 5000 comments. You can see how Hui raised to Top 2 from nowhere & how we lost some of the frequent commenters over time.

Who are the top 10 commenters and how they ranked over time - Chandoo.org 20,000 comment analysis

Where do the comments go?

In early days, comments are always on the latest articles. So if a post is one month old, it is quiet. But now a days, we are adding more comments on older posts than on new ones. Thanks to Google, people are discovering older content more and asking questions (or thanking us) there.

Comments on older posts vs. latest posts - Chandoo.org 20,000 comment analysis

Which posts attract most comments

Next, lets see which posts are most chatty. But looking at # of comments alone is not enough. So I added % of page views (out of total page views on Chandoo.org between a sample period of APR-JUN 2012) and yearly break-up of comments received since 2008. As you can see, some posts are like blips, they get lots of comments and then become quiet. These are often polls, one time messages (like congratulations, happy new year etc.). The other posts consistently attract a lot of comments because they are visited by hundreds of people every week.

PS: You can click on link to see the actual post.

What do the commenters say?

I have an in house metric to see what the commenters say. It is called as Awesomeness Quotient. It is very simple to measure. I check the comment text to see if any of these words are in it.

Love, awesome, wow, !!, great, incredible, super, fantastic, blowing, perfect, excellent

If so, I give the comment 1 point. Else 0 points.

Then, I add up all these points to see how many points we have over the total number of comments.

Comment awesomeness quotient - Chandoo.org 20,000 comment analysis

As you can see, we have been hovering around 45% awesomeness quotient since inception.

PS: If I had a $ every time, someone said cool, I would have 335 cool ones.

Most frequent words in the comments

The most frequent word in our comments is Excel, used 4,650 times. The next frequent word is thank used 4,554 times. I guess that sums up what commenters say nicely.

Here is a list of 64 59 most frequent words (arranged by frequency and alphabetical order).

Note: Each sparkline has its own axis maximum. You cannot compare frequency of one word with another by looking at their heights.

Note 2: If you want this info with same axis maximum for all, click here.

Frequent words in comments - Chandoo.org 20,000 comment analysis

Comments vs. Posts

Here are 2 tag clouds, one for the content in posts & the other for comments. Can you guess which is which?

[click here for larger version]

Text in comments vs. text in posts - wordle word cloud - Chandoo.org 20,000 comment analysis

The left one is for comments.

Interesting Trivia

  • 51% of comments are made with in one week after an article is published.
  • We add 4% more in 2nd week, 4% more in next 2 weeks. That is, only 59% of comments are made with in one month of writing an article.
  • We get 70% comments between 8AM-8PM (GMT). The busiest hours for commenting are 1PM & 5PM GMT
  • Since 1st Jan 2010,
    • We had 7 quiet days (days with 0 comments).
    • And on 4 days, we received 100 or more comments
    • We got 17 comments on Christmas & New year days
  • The longest comment was 11,274 characters long by Ronald on 2nd June, 2010.
  • There are 5 comments with more than 5,000 characters long.
  • For every legitimate comment, we get 20 spam comments. So since Jan 2008, our spam filters have blocked 417,104 spam comments.

How these charts are made?

At least 5 cups of coffee, 2 hours of thinking, several hours of SQL, VBA, Pivot & SUMIFS, an hour of formatting & conditional formatting and may be 10 minutes on Wordle.net.

I am unable to share the actual Excel file with you as there is lots of sensitive data (email addresses, IPs etc.) and the file is too heavy – 30 MB at last count.

Do you comment on Chandoo.org?

If you have never left a comment, now is your time. Go ahead and lose your comment virginity. It feels awesome to share your thoughts with rest of us.

And if you are a commenter, well, you have my love & good thoughts. Go ahead and say something more. You know I am all ears to hear what you say.
Go ahead and leave a comment. Next stop, 30k.

Thank you

Thank you so much for taking time to learn from Chandoo.org. Special thanks to 7,278 of you who left a comment on Chandoo.org ever.

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37 Responses to “Quickly Change Formulas Using Find / Replace”

  1. Andras Ujszaszy says:

    Chandoo,
    this is a really cool stuff what I use quite often. In addtion this method also could be a good choice to switch the reference type of the formulas from relative to absolute or vice versa. (just simply replace the $ in the same way).
    Andras

    • Chandoo says:

      @Andras: you are right, we can use find / replace to change references, reference types etc. Now, only if they had regex in find/ replace, we could so much more 🙂

      @Tony Rose: Thank you. This is very useful and powerful feature. I even use it for cleaning up data. While formulas are good, they are not the solution for every problem. Often when I need more powerful cleanup / changing, I copy paste the stuff to text editors like notepad++ and then use their find/replace to do the dirty task.

      • Sonia says:

        What if i have to change the formula from ='Analysis'!C1 to 'Analysis 1'!C1?
        I tried doing it using Find /Replace but could't. Encountered some errors.

        And is there a way to change this using VBA???

        • Ollie says:

          Hi,

          Did you ever get a reply to this?

          Thanks

          Ollie

        • MF says:

          to make your life easier, suggest you to avoid (Space) in worksheet names whenever possible. Consider (underscore) instead.

          • Luke Moraga says:

            As the first formula wouldn't have the single apostrophes (since there's no space) need to include that in replace. So, search for:
            Analysis

            and replace with:
            'Analysis 1'

  2. Tony Rose says:

    This could be the most useful tips I've seen in a while. I use this all the time and can instantly change 400 formulas with a few clicks. Like so many other functions in Excel, I don't know what I would do without this one.

    Keep 'em coming!

  3. [...] on formulas: 5 areas where mouse kicks keyboard’s butt | Edit formulas in bulk using Find / Replace | Excel Formulas Online [...]

  4. purushoth says:

    THANKS BRO

  5. The Red Ranger says:

    You, sir, are a god among men...

  6. David says:

    This is really cool. Your just save me hours of work. Thanks.

  7. Jodie says:

    Thanks so much for this fix! It saved me tons of work. I'm muddling my way through and this really helped!

  8. Jesse says:

    Oh... My... God!
    This tip just saved me about 2 hours every month! I can't believe how easy it is to use. Now, can somebody tell me who I should call to get a refund for the previous 100 hours I spent manually changing formulas cell by cell?
    Thanks so much! 

  9. Bilal says:

    THANK YOU!!!!
    You saved me hours, I had a sheet that has more than 500 formulas, and i needed to replace the year in all of them, you saved me hours

  10. Elliot says:

    Awesome info on replacing cell addresses in formulas. I have never heard about Ctrl+` before. Thank you!

  11. T says:

    I have something inside a formula like:
    =sum(A1, A2*10) all over I now need to get rid of the *10 {=sume(A1, A2)} I thought to use the find replace trick above but with a blank in the replace but it then outputs just zeros. I thought I could trick it by doing *1 but then it just turns into =*1) with none of my references. Does anyone have an idea how to do this?
    The Ctrl+ trick is cool.

  12. Peter says:

    Thank you! This literally will save me hours and hours of time, and that's without losing my sanity in the process!

  13. Brigitte says:

    I have Sheet(1), Sheet(2), Sheet(3), etc ... Sheet(100).
    Then there's a summary tab where I want to recap information on all those different sheets. Is there anyway to create a formula on the Summary tab to get ='Sheet(1)'!B$29 copied down for all 100 sheets without having to change each sheet # within the formula by hand?

    • Hui... says:

      @Brigitte
      If you have a list of the sheet names in A2:A100
      In B2: =INDIRECT("'"&A2&"'!$B$29")
      Copy down

      or if you don't have a list of the sheets names you can make it up on the fly
      =INDIRECT("'sheet("&ROW()-1&")'!$B$29")
      Copy down

      • Brigitte says:

        Thanks for the suggestion. However, I copied your formula right back to my file and it didn't work. So I did it another way. I put the tab/cell reference in one cell and then did an =INDIRECT() to capture that information.

        K2="'Sheet("&L2&")'!B$29" which has a value of 'Sheet(1)'!B$29
        B2=INDIRECT(K2) which now has a value of 40 (contents on Sheet(1).

        Thank you!!!!

  14. Mohammed Ali says:

    Thank you ..

  15. Niharika says:

    Hi, Out of all the formulae, I wish to replace the formula which has generated 0 value with blank space? I am unable to do it with find and replace function,

    Please suggest.

  16. Rashed says:

    Thanks.

  17. Kevin says:

    Chandoo, you literally just saved me about 2 hours of work. I had a document with a daily report in two formats. The second formate just linked to all the appropriate cells in the other format (different sheets). This was 180 references that needed to be changed and I had to make this for a 4 week period (aka 28 different sheets at 180 references to change per sheet).

    Thanks so much.

  18. Brian says:

    I have tried this way and without using the Ctrl-` formula view
    Either way, I am trying to do something simple, but it won't let me.

    I have a bunch of cells with a simple math formula like
    =-(0.5*20)
    various values in each cell, multiplied by 20

    I simply want to change the multiplier globally from 20 to 25. But when I tell it to find *20 and replace it with *25, it replaces the entire cell contents with *25, rather than just replacing the *20 portion of the cell contents.

    Can anyone assist with this? Seems so simple, but Excel isn't letting me do it.

    • Hui... says:

      Search/Replace 20 or 20) with a cell Reference eg A1 or A1)
      Then put the value 25 in A1

      By using a * in the search it replaces all the text

  19. sadaqat says:

    how to find a specific cell's value in a column & replace replace it with another cell value i actually need a method to replace a data in ca column and replace with the value i have in a specific cell can i give a [ location ] of data to what i need to find and then give row or column range to where i need to find and the given value & then give a [ location ] of data to what i want to be replace with the find and replace by row & column range & than by specific criteria and than by specific location.
    please help.

  20. sadaqat says:

    how to find a specific cell’s value in a column & replace replace it with another cell's value.
    i actually need a method to find a specific cell's data in a column and replace it with the value i have in a specific cell.
    can i give a [ location ] of data to what i need to find and then give row or column range from where i need to find the given value & then give a [ location ] of data to what i want to be replace with.
    find and replace by row & column range & than by specific criteria and than by specific location.
    please help.

  21. sadaqat says:

    how to find a specific cell’s value in a column & replace it with another cell’s value.
    i actually need a method to find a specific cell’s data in a column and replace it with the value i have in a specific cell.
    can i give a [ location ] of data to what i need to find and then give row or column range from where i need to find the given value & then give a [ location ] of data to what i want to be replace with.
    "find and replace by row & column range & than by specific criteria and than by specific location."
    in more than 100 sheets in entire workbook
    please help.

  22. Juaninho says:

    This is a great tool, does anyone knows an easiest way??

    I'm working with a system that has over 59000 references... so every time the replace all is activated. I lose an entire day.

  23. sadaqat says:

    i actually needs to find cell number "D12" in column "D" and replace with Cell Number "B8" for example
    find what = Cell Number "D12" John McNamara
    find Where = in Column "D"
    Replace with = Cell Number "B8" Bieber D'Souza
    Replace Range = Column "D"
    In which Sheet = All Sheets in Work Book (more than 100 Sheets)
    Note: in every Sheet Cells Number "D12" & "B8" containing Different Employ Name but the find rang and replace rang are same in every sheet and find what cell number and replace with cell number are same also.
    please help!

  24. sara says:

    thank you. saved lot of time.

  25. Crystal says:

    Thank you from the bottom of my heart!

  26. Gerard says:

    Hi, I am trying to figure out how to use RE to find and replace several values in a column. Using find and replace does not work because of the values I am working with. I have a column with hundreds of rows that have a description of several operating systems and other info, which looks like this: Windows Server 2008 R2 Member Server Security Technical Implementation Guide; Windows 2008 Member Server Security Technical Implementation Guide; Solaris 10 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE; and Windows Windows 2003 Member Server Security Technical Implementation Guide.

    I need to be able to find and replace (or basically curtail the descriptions) to be Windows 2008 R2; Windows 2008; Windows 2003; and Solaris 10. BUT when I run find and replace with just *2008*, it finds every instance, including the ones with R2 at the end. I need it to only change the ones with 2008 to Windows 2008 and the ones that have 2008 R2 to Windows 2008 R2. I know it is possible, but I have no clue on how to write a macro to do this.

    Thanks for your help,
    Gerard

  27. Paul says:

    Wickedly efficient workaround. Excel really is a powerhouse program, all you have to do is dig into it. Ctl ~ exposes the formulas, and Ctl H allows for the multi edit. Brilliant, Chandoo!

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