ETA-LAMBDAs for BYROW, BYCOL & SCAN to Make Spilling Row Totals & Running Totals Easy. EMT 1846

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  • Опубліковано 2 жов 2024

КОМЕНТАРІ • 56

  • @MaureenPesch
    @MaureenPesch 6 місяців тому

    Another great tip! Using arrays means less formulas and less risk of error. Thank you!

  • @djl8710
    @djl8710 10 місяців тому +7

    How we "used to do it" 99.99% of Excel users have never used LAMBDA yet. I'm an Excel Trainer and I'm having a hard time keeping up while teaching.

    • @excelisfun
      @excelisfun  10 місяців тому +2

      Yah, that is a funny line... How we used to do it is just for last year lol

  • @how2excel999
    @how2excel999 10 місяців тому +1

    Brilliant as always Mike, thanks

    • @excelisfun
      @excelisfun  10 місяців тому

      You are welcome!!!!

  • @GeertDelmulle
    @GeertDelmulle 10 місяців тому +1

    Mike, Super Great Running Total trick, right there!
    Finally we don’t have to use expanding ranges to SUM, which were not so efficient.
    SCAN + etas are the MAX!! :-)

    • @excelisfun
      @excelisfun  10 місяців тому +1

      I love this: SCAN + etas are the MAX!! To The Max and Beyond...

  • @venuchaganthi
    @venuchaganthi 10 місяців тому

    Wow, Thanks MS for bringing new updated functions; may I know these will be available for the users.

  • @KevinPGA
    @KevinPGA 10 місяців тому +5

    Unbelievable how much more user-friendly complex Excel tasks have gotten the past few years... Still very glad I learned the old formulas from you (or how to copy/paste them) so I can really appreciate the way Excel is evolving. Thank you Mike!!!

    • @excelisfun
      @excelisfun  10 місяців тому +1

      Yes indeed, you are wise to study the evolution: it makes us much better Excel Users : ) : ) : )

  • @richardhay645
    @richardhay645 10 місяців тому +5

    Yes,it should have been Eta from the get-go! Eta: a helper for the LAMBDA Helpers! Eta's have been around in Lambda Calculus for a long time. Now they come to Excel!! This development will GREATLY expand the use of these LAMBDA Helper Functions in doing routine calculations.

    • @excelisfun
      @excelisfun  10 місяців тому

      100% agree: expand to a higher infinity : ) : ) Love this: Eta: a helper for the LAMBDA Helpers!!!

    • @richardhay645
      @richardhay645 10 місяців тому

      BTW The english language pronunciation of "Eta" mimics or rhymes with "Beta". The "E" is pronounced as a long "A" as in "ate" and the "a" at the end is pronounced like the "u" in "upper". (That's they way I've always said/heard it but I also confirmed it with the Ancient Language Institute--yes there really is such a thing!! LOL But, according to the ALI msome Europeans including most Greeks today pronounce it with a very long "E" as in "eat"!)

    • @richardhay645
      @richardhay645 10 місяців тому +1

      @@excelisfun yeah, a helper's helper; like the housekeeper who brings a robo-vac to your house and stares at Facebook while the robot has all the fun!!!

  • @amardeepsingh5252
    @amardeepsingh5252 10 місяців тому +3

    Nice to see this coming from Microsoft for SCAN which is usually not too intuitive from an understanding perspective.

    • @excelisfun
      @excelisfun  10 місяців тому

      I 100% agree : ) : )

  • @canirmalchoudhary8173
    @canirmalchoudhary8173 6 місяців тому +1

    I am now understanding the power of ETA LAMBDA

  • @sujeetsamal
    @sujeetsamal 10 місяців тому +1

    Nice content...sir

    • @excelisfun
      @excelisfun  10 місяців тому

      Glad you like it!!!!!

  • @ricos1497
    @ricos1497 10 місяців тому +1

    Just tested these this morning. Perfect. Could we create our own ETAs? Maybe one day!

    • @excelisfun
      @excelisfun  10 місяців тому

      That will be a good day.

  • @sscire
    @sscire 10 місяців тому +1

    Pls can you help me .... I have Office 365 BETA channel but not Groupby, ... and ETA-LAMDAS? Why?

    • @excelisfun
      @excelisfun  10 місяців тому

      It should be out to all beta in about a week.

  • @amardeepsingh5252
    @amardeepsingh5252 10 місяців тому +3

    What does ETA stand for?

    • @richardhay645
      @richardhay645 10 місяців тому +3

      First off, ETA is the name of a Greek letter. My phone can't make one (much thanks Samsung/ Google) but it looks like a lower-case "h" with a long curvy right tail. In this instance it refers to "ETA-reduced LAMBDA Fonction. In very rough terms a function like BYROWS or SCAN that comtains a LAMBDA function within first
      calculates BYROWS until it needs the LAMBDA function. BYROWS then passes its results to LAMBDA to do its calculation.
      LAMBDA finishes its part of the puzzle and hands the project back to BYROWS. If every thing is hunky-dory BYROWS finshes the job and unleashes the Big Spill down the column. An ETA reduction is an overlay algorithm the tells BYROWS to delay all of its work and hands the project immediately to LAMBDA. BYROWS then takes the results of LAMDA and then does all its workat once. This can result in more efficient processing and fewer instructions (variables) in the LAMBDA sub-function. The word "reduction" in ETA-reduction refers to the elimination of the first step of the BYROWS calculation.

    • @excelisfun
      @excelisfun  10 місяців тому +1

      @@richardhay645 Like the Word Poet Richard Hay said : ) : ) : ) : ) : )

  • @nadermounir8228
    @nadermounir8228 10 місяців тому +1

    I didn't know that Lambda can no longer be used. Aweosme change by Microsoft. Thank you Mike for this epic video 📹 👍

    • @excelisfun
      @excelisfun  10 місяців тому +2

      LAMBDA can be used, but the new ETA LAMBDAs can be used also.

    • @excelisfun
      @excelisfun  10 місяців тому

      @@Ferhatt399 Very nice!!! : )

  • @87CVH
    @87CVH 10 місяців тому +1

    Problem is a lot of people still eont have been upgrsded to 365 yet do their is huge global compatability issues

    • @excelisfun
      @excelisfun  10 місяців тому

      Yes, that is a BIG problem. Where I work, many people do not have it... : (

    • @timlucas4155
      @timlucas4155 10 місяців тому

      It's not that different to when office went from 2003 to 2007

  • @excel_along_the_way
    @excel_along_the_way 10 місяців тому +1

    Hi Mike, that spilling running total is now so easy to do now with these ETA Lambda's.
    You can do a spilling running total with just SUMIFS with a little work around. But no need anymore, much easier with these new functions. Can't wait to be released to everyone.
    Did your PERCENTOF also disappear? Notice it was not part of the list of ETA Lambda's.

    • @excelisfun
      @excelisfun  10 місяців тому +1

      Yes, Crazy: PERCENTOF was here for first two days and now it is gone. My guess is that becasue it only worked on SUM and not with other important aggregate calcualtions like COUNT and COUNTA, they had to go back to drawing board. But I almost always guess wrong lol

    • @tibibara
      @tibibara 10 місяців тому +1

      @@excelisfun thanks for the info about PERCENTOF and this great tutorial as well!💯

    • @excelisfun
      @excelisfun  10 місяців тому +1

      @@tibibara You are welcome!!!

  • @iankr
    @iankr 10 місяців тому +1

    Beautiful. Thanks, Mike.

    • @excelisfun
      @excelisfun  10 місяців тому +1

      You are always welcome : ) : ) : )

  • @johnborg5419
    @johnborg5419 10 місяців тому +1

    Thanks Mike. This is Great!!! :) :)

    • @excelisfun
      @excelisfun  10 місяців тому

      Yes, MS is soooooo good to us : ) : )

  • @RathinagiriSubbiah
    @RathinagiriSubbiah 10 місяців тому +1

    At 1:03 are you saying ctrl+enter? Is it necessary?

    • @excelisfun
      @excelisfun  10 місяців тому +1

      No. But Ctrl + Enter takes an item from Edit Mode and puts it in the cell and keeps the cell selected. Since I am editing the cell over and over, it is better than clicking Enter and then always having to do an unnecessary click to get back to cell.

    • @drsteele4749
      @drsteele4749 10 місяців тому +1

      ​@excelisfun , under File /Options, you should change the section to 'do nothing after pressing Enter'. That way the cursor won't move after invoking a formula.

  • @bevonclarke
    @bevonclarke 10 місяців тому

    Wish I could get a sequence in the function to unstack numbers to a sequence of numbers...it will have different size columns, but all in a single array...

    • @excelisfun
      @excelisfun  10 місяців тому +1

      I am sorry... : ( I am not sure what you are asking. However, other Teammates may be able to help : )

  • @Al-Ahdal
    @Al-Ahdal 10 місяців тому +1

    1st comment

    • @excelisfun
      @excelisfun  10 місяців тому

      First Place Trophy for you : ) : ) : )

    • @Al-Ahdal
      @Al-Ahdal 10 місяців тому

      @@excelisfun Is there a way to equate 3 or 4 or more cells, like 2 = 2 = 2, it should evaluates to TRUE, but it returns FALSE. Excel Problem!

    • @excelisfun
      @excelisfun  10 місяців тому

      @@Al-Ahdal A formula like this might work:
      =AND(D6=E6,E6=F6)

    • @Al-Ahdal
      @Al-Ahdal 10 місяців тому +1

      @@excelisfun Sir, please guide Microsoft to remove bugs like.... 2 = 2 = 2 cannot be correctly evaluated to TRUE, and returns FALSE. Moreover, there are certain bugs which you yourself highlighted in your one video, like isblank etc etc. Kindly do comment on this, and share vdo link here. Thank you

    • @excelisfun
      @excelisfun  10 місяців тому

      @@Al-Ahdal That has been a problem since the beginning. I usually use AND and AND functions for that or MATCH or any array operation. There are other tricks also to accomplish that goal. I have no power to influence Microsoft, even though I am an MVP. They always do what they want.