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making up data

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    making up data

    Hi, I'm looking for help making up data for my table I've created 225 rows and realise it would take too long to get to 30+k so luckily I know how to ask Google and hey presto there is a site called excel forum, let hope someone can help. I need to make data appear based on parameters so varying values like start and end dates as well as sums that fit into my parameter. I'm giving up for the day but tomorrow I would love to not have to get back at it with making up data.

    Looking forward to your replies, many thanks.
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    Forum Expert Carim's Avatar
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    Re: making up data

    Hi,

    You should take advantage of your sample file to show what is your expected result ...
    HTH
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    Re: making up data

    I by that you mean copy and paste this is not possible as I need the dates and amount in £ to differ

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    Re: making up data

    Quote Originally Posted by iaak1983 View Post
    I by that you mean copy and paste this is not possible as I need the dates and amount in £ to differ
    meant "if"

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    Forum Expert Carim's Avatar
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    Re: making up data

    What I meant is the following :

    1. A clear understanding of your starting point
    and
    2. A clear sample of what the final outcome should be ...

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    Re: making up data

    No idea what you are trying to do - sorry.

    Try explaining more clearly. Where in the file should we look?

    I need to make data appear based on parameters so varying values like start and end dates as well as sums that fit into my parameter.
    Which data? What are the parameters?

    We are good, but we aren't mind readers.
    Ali


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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    What Excel version are you using "PC" is not an excel version. It makes a BIG difference.

    This is probably do-able, but you have four sheets there and have not told us where you want dummy data created....
    Glenn




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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    What are your parameters/limits. Help us to hep you.

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    Re: making up data

    Did you look at the file that is attached?

    Basically, a continuation of rows with the daily number of start day entries growing, the duration being minimum 14-day to max two years, £ amount minimum 50 max 2500,
    the rest is a calculation of percentage which does itself I need have entries beginning for three years so would work out at 10s of thousands of row. Which could mean
    on the last day of year three there could be well over 100 entries.

    No bother if you cannot read minds.

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    Re: making up data

    365 mso 64 bit is all i can find

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    OK. Just seen that .

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    A first bash. Probably won't be right...

    The columns beneath the yellow shaded cells are volatile (they will re-evaluate every time anything changes). We can make them permanent by copy/paste values later. For now... is this anywhere close to what you want?

    If not much more detail about what you expect to see and where you expect to see it will be needed. I have stuck to your parameters as so far described.
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    Re: making up data

    Quote Originally Posted by iaak1983 View Post
    365 mso 64 bit is all i can find
    Please update your forum profile, as requested.

    Did I see the attachment? Yes, I did, and I looked at it before I responded. It means absolutely nothing to me. Hopefully someone else will be able to work out what you want.

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    Re: making up data

    It looks right yeah but I'm wondering if you know for a tutorial or to guide me to do it, just looking over the work it's great but the amounts need to vary more including many more low amounts for example 40% of amounts would be 50-500£, 30% 500-1750, 30% 1750-2500£. And the start dates would be chronological with acendins id numbers in cronolocical order also. however I'm asking for ways I can do this don't want the work done for me as I would like to learn

    asking google about creating data for excel spreadsheets just brings me to many instructions on how to input data or create tables not been able to find anything on materialising data on set perameters.

    Much appreciate it tho

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    Re: making up data

    Quote Originally Posted by iaak1983 View Post
    365 mso 64 bit is all i can find
    Quote Originally Posted by AliGW View Post
    Please update your forum profile, as requested.

    Did I see the attachment? Yes, I did, and I looked at it before I responded. It means absolutely nothing to me. Hopefully someone else will be able to work out what you want.
    thank you for looking, what do you want me to do to my profile i have not had a request

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    Iteration 2. The values should be closer to what you want. Are they?

    Don't worry about the date yet.
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    Re: making up data

    Regarding your profile... hopefully you'll be able to read this... It needs to be changed to say O365 instead of PC.
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    Re: making up data

    Quote Originally Posted by iaak1983 View Post
    365 mso 64 bit is all i can find
    Quote Originally Posted by Glenn Kennedy View Post
    Iteration 2. The values should be closer to what you want. Are they?

    Don't worry about the date yet.
    Glenn, it's great that you are wanting to spend your time on this with me but I really am after learning how to do it myself that's all. I will have much more work to do down the line with this hopefully. I m a student and don't have the means to pay anyone for work just so you know. I know you said dont worry about the date however my data will involve start dates within a three year period so the firs start date and the last start date cannot be more than three years apart. The values are great looking btw

    Do you know what search term i should be using to look up instructions on how to formulate large amounts of data like this?

    Thanks again,

  19. #19
    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    I will explain it all, once YOU are happy. I think you are, so.... I will start.

    =SEQUENCE(30000,,1001,1)
    This generates a sequence 30,000 rows of data, starting at 1001 andincrementing by 1.

    =RANDBETWEEN(50,500)+IF(RANDBETWEEN(1,3)=1,RANDBETWEEN(1,2000),0)
    This is a bit crude!! RANDBETWEEN genrates random integers between two values.

    Red: So every row will contain a value between 50 & 500.
    Green: Another random number generator generates a value between 1 and 3
    Blue: If it generates 1 randomly..
    Black: I add on a random number between 0 and 2000. If it generates 2 or 3 it adds on nothing.

    this one is pretty crude, too!

    =MIN(EDATE(TODAY(),36),TODAY()+INT((ROWS(G$11:G11)/RANDBETWEEN(1,20))))
    Red starts from today's date and
    Cyan: adds on a random number, based on the number of rows through which the formula has been copied
    Blue to a maximum of today's date plus 36 months

    =G11+RANDBETWEEN(14,2*365)
    By now you should be following this... It adds a random number between 14 days and 2x365 days to the start date.

    So far so good. is that clear? Is it what you want? if so, we are 2 steps and one post away from finishing this off...

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    Cyan: adds on a random number, based on the number of rows through which the formula has been copied

    Specifically, it adds on The INTEGER that results from the division of 1 (on the 1st row), 2 (on the second row), 3 (on the third), ad nauseam.. by a random number between 1 and 20.

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    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    I see you have now gone offline.

    i will now finish the process and HOPE it's all OK.

    1. delete the blank rows above the data (makes selecting the data to be sorted easier).

    2. select columnf F, G & H.

    3. Copy/Paste VALUES This overwrites the volatile formulae and fixes the values.

    4. With columns F, G & H selected...

    5. Data/Sort/Sort by column/start date

    6. Job done.

    You're welcome.



    If that takes care of your original question, please select "Thread Tools" from the menu link above and mark this thread as SOLVED.

    It would also be very nice if you were to just click the Add Reputation button at the foot of any of the posts of members who helped you reach a solution.

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    Re: making up data

    Quote Originally Posted by iaak1983 View Post
    365 mso 64 bit is all i can find
    Quote Originally Posted by Glenn Kennedy View Post
    I see you have now gone offline.

    i will now finish the process and HOPE it's all OK.

    1. delete the blank rows above the data (makes selecting the data to be sorted easier).

    2. select columnf F, G & H.

    3. Copy/Paste VALUES This overwrites the volatile formulae and fixes the values.

    4. With columns F, G & H selected...

    5. Data/Sort/Sort by column/start date

    6. Job done.

    You're welcome.



    If that takes care of your original question, please select "Thread Tools" from the menu link above and mark this thread as SOLVED.

    It would also be very nice if you were to just click the Add Reputation button at the foot of any of the posts of members who helped you reach a solution.
    WOW, this is awesome thanks very much for the formulas too it has given me some further insight into what I'm doing. I'm trying to get some ideas of what I could generate with a platform I have in mind and this is the first step I have some insight into making it into charts to the represent different things will be back later on in the week once I most certainly hit a brick wall but for now very much appreciate your support here.

  23. #23
    Forum Moderator Glenn Kennedy's Avatar
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    Re: making up data

    No probs. I suspect the start date generation may not be refined enough for your purposes... but we'll see.

    It can always be tweaked, if you can provide clear criteria.

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