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Old 02-24-2006, 12:31 PM   #1
TwoStep2888
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Excel Help

For a Psychology project I'm doing, I need to average a series of times people go to bed/wake up, and calculate the time between. For one of the groups I polled, several people answered 12:30 AM for their bedtime, but when I average that with the other times, those 12:30s bring the average time down by about two hours, because the 12:30s are AM, and the rest are PM. Is there any way to remedy this problem? Please help me.
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  • Old 02-24-2006, 12:45 PM   #2
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    Re: Excel Help

    I don't know about using time units in Excel, but you make it sound like it does it. But based on what you said it's doing, it seems like you should go to military time and maybe Excel does it that way.
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    Old 02-24-2006, 12:58 PM   #3
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    Re: Excel Help

    Quote:
    Originally Posted by TwoStep2888
    For a Psychology project I'm doing, I need to average a series of times people go to bed/wake up, and calculate the time between. For one of the groups I polled, several people answered 12:30 AM for their bedtime, but when I average that with the other times, those 12:30s bring the average time down by about two hours, because the 12:30s are AM, and the rest are PM. Is there any way to remedy this problem? Please help me.
    Would using military time help?
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    Old 02-24-2006, 01:10 PM   #4
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    Re: Excel Help

    Quote:
    Originally Posted by rconverse
    Would using military time help?


    - Primo
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    Old 02-24-2006, 01:16 PM   #5
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    Re: Excel Help

    Quote:
    Originally Posted by rconverse
    Would using military time help?
    Yes, as would reading my post
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    Old 02-24-2006, 01:38 PM   #6
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    Re: Excel Help

    Thanks. That helped alot.
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    Old 02-24-2006, 01:45 PM   #7
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    Re: Excel Help

    i don't think just averaging using military time would help. before midnight would be ~2200 to 2400, after would something like 0001 to 0300. and the average bedtime would come out in midafternoon or something, which would be wrong. you might have to do something like set 0 as the lowest bedtime, and count up from there. find the average, and add it on to your 0 point to get the actual average.?
    or something
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    Old 02-24-2006, 01:51 PM   #8
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    Re: Excel Help

    say you had 5 people. 11 pm 11 pm 11 pm and 11 pm and 1 am.
    militarily you (23 X 4 + 1) / 5 =18.6 = ~6:40 pm. obviously wrong, cuz it smallerized you avg time instead of biggerizing it, like a later time should.

    so make 11 pm = 0. (0 X4 + 1 )/ 5 = 0.2 = 12 min.
    add 12 minutes to 0. average time is 11:12 pm.

    that might be right, or total shit.

    Last edited by mr.MikeD; 02-24-2006 at 01:52 PM.
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    Old 02-24-2006, 02:26 PM   #9
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    Re: Excel Help

    What you would do is set midnight to be your 0 time. Then if someone went to bed at 11, you would set their time to be -1. If someone went to bed at 1, it would be 1.

    Average that and you will get the offset from midnight that people went to bed.

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    Old 02-24-2006, 02:32 PM   #10
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    Re: Excel Help

    same as mine really.

    either way, do your own homework.
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    Old 02-24-2006, 02:35 PM   #11
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    Re: Excel Help

    Quote:
    Originally Posted by mr.MikeD
    same as mine really.

    either way, do your own homework.
    As long as in your case you set 10pm to be -1.

    But yes, you are correct.

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    Old 02-24-2006, 02:36 PM   #12
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    Re: Excel Help

    Quote:
    Originally Posted by mr.MikeD
    same as mine really.

    either way, do your own homework.
    Yup, both ways work, but I believe Primo's method is a more proper method, because you can set midnight as your zero point, which will be unchanging, while if you use your earliest time as your zero point it will be dynamic depending on your data set.
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    Old 02-24-2006, 02:36 PM   #13
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    Re: Excel Help

    right. just need to set a reference of some kind.

    wow, this is not what i should be thinking about.

    i concede. primo's way is better. i am shamed.
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    Old 02-24-2006, 02:40 PM   #14
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    Re: Excel Help

    Quote:
    Originally Posted by mr.MikeD
    i concede. primo's way is better. i am shamed.
    Don't be shamed. Your method was what reminded me how it should be done.

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    Old 02-24-2006, 02:40 PM   #15
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    Re: Excel Help

    Regardless, we clearly would have been better students since we would have DONE OUR OWN FUCKING HOMEWORK.

    That is all.

    - Primo
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    Old 03-03-2006, 02:07 PM   #16
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    Re: Excel Help

    I have a new problem, hopefully people will help me out.

    I have a spreadsheet, with one value every 15 rows. so cells A1 - A14 are blank, and A15 has a value.

    then cells A16 to A29 are blank, and A30 has a value.

    and so on. this continues on for about 4000 rows. the values represent an average of 15 values.

    my question is:

    I need to plot a graph of these values (they are chemical concentrations if that matters) vs time. Thus, I need to make a table. Is there a way to transfer these values, that are spaced apart by 14 rows, into a table so that they are one below the other?

    I've tried some formulas and excel doesn't seem to be picking them up.

    I KNOW! Macguyver stumped. who'd of thunk??
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    Old 03-03-2006, 02:11 PM   #17
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    Re: Excel Help

    Quote:
    Originally Posted by MacGuyver
    I have a new problem, hopefully people will help me out.

    I have a spreadsheet, with one value every 15 rows. so cells A1 - A14 are blank, and A15 has a value.

    then cells A16 to A29 are blank, and A30 has a value.

    and so on. this continues on for about 4000 rows. the values represent an average of 15 values.

    my question is:

    I need to plot a graph of these values (they are chemical concentrations if that matters) vs time. Thus, I need to make a table. Is there a way to transfer these values, that are spaced apart by 14 rows, into a table so that they are one below the other?

    I've tried some formulas and excel doesn't seem to be picking them up.

    I KNOW! Macguyver stumped. who'd of thunk??
    I'd copy the values into a single, simple list in another section of the spreadsheet, or on another page, and graph from that.

    I'm not all that bright when it comes to Microsoft Office, though, so I'm sure someone else will have a better answer.
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    Old 03-03-2006, 02:35 PM   #18
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    Re: Excel Help

    Quote:
    Originally Posted by MacGuyver
    I have a new problem, hopefully people will help me out.

    I have a spreadsheet, with one value every 15 rows. so cells A1 - A14 are blank, and A15 has a value.

    then cells A16 to A29 are blank, and A30 has a value.

    and so on. this continues on for about 4000 rows. the values represent an average of 15 values.

    my question is:

    I need to plot a graph of these values (they are chemical concentrations if that matters) vs time. Thus, I need to make a table. Is there a way to transfer these values, that are spaced apart by 14 rows, into a table so that they are one below the other?

    I've tried some formulas and excel doesn't seem to be picking them up.

    I KNOW! Macguyver stumped. who'd of thunk??
    I would try making a copy of the sheet, and save it under another name so it doesn't affect the original. Then do a sort according to whatever column you want, so that all the lines with actual words/numbers will appear together at the top, and the blank lines below. Hope that helps.
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    Old 03-03-2006, 02:38 PM   #19
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    Re: Excel Help

    Quote:
    Originally Posted by PrettyPenelope
    I would try making a copy of the sheet, and save it under another name so it doesn't affect the original. Then do a sort according to whatever column you want, so that all the lines with actual words/numbers will appear together at the top, and the blank lines below. Hope that helps.
    hmm a sort eh? didn't think of that. i'll try it.
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    Old 03-03-2006, 02:49 PM   #20
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    Re: Excel Help

    Download SPSS. You should be able to, no scratch that you can import any dbase file, especially Excel. It's a little more complicated at first glance, but the graphs and charts are much easier to manage. And when I say download, I mean visit spss.com and download the 14 day eval demo. I would not condone illegal download of any product, especially the product that I sell for a living.

    But honestly, easy user interface that many students use to put together a project quickly. Give it a shot.
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    Old 03-03-2006, 03:01 PM   #21
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    Re: Excel Help

    Quote:
    But honestly, easy user interface that many students use to put together a project quickly. Give it a shot.
    translated


    But honestly, easy user interface that many students use to put together a project quickly. Give it a shot. and then have sex with it.

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    Quote:
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    You're MacGuyver, you can rig something up. A toothpick and can of axl grease and a rubber band, and you've got yourself an ultrasound machine.
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    Old 03-03-2006, 03:05 PM   #22
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    Re: Excel Help

    Quote:
    Originally Posted by thebigv
    Download SPSS. You should be able to, no scratch that you can import any dbase file, especially Excel. It's a little more complicated at first glance, but the graphs and charts are much easier to manage. And when I say download, I mean visit spss.com and download the 14 day eval demo. I would not condone illegal download of any product, especially the product that I sell for a living.

    But honestly, easy user interface that many students use to put together a project quickly. Give it a shot.
    Nice sales pitch, homo.
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    Old 03-03-2006, 03:06 PM   #23
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    Re: Excel Help

    shameless plug
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    Quote:
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    You're MacGuyver, you can rig something up. A toothpick and can of axl grease and a rubber band, and you've got yourself an ultrasound machine.
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    Old 03-03-2006, 03:08 PM   #24
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    Re: Excel Help

    Quote:
    Originally Posted by PrettyPenelope
    I would try making a copy of the sheet, and save it under another name so it doesn't affect the original. Then do a sort according to whatever column you want, so that all the lines with actual words/numbers will appear together at the top, and the blank lines below. Hope that helps.
    Create a reference column with ascending numbers to resort your data by once you've deleted the blanks. Otherwise when you sort your data column it'll put your sequence out of order.
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    Old 03-03-2006, 03:14 PM   #25
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    Re: Excel Help

    Quote:
    Originally Posted by BigE
    Create a reference column with ascending numbers to resort your data by once you've deleted the blanks. Otherwise when you sort your data column it'll put your sequence out of order.
    Didn't think of that, but you're totally right.
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    Old 03-03-2006, 03:14 PM   #26
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    Re: Excel Help

    sorting totally worked guys. I knew it was something basic but couldn't figure it out... thanks!
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    Quote:
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    You're MacGuyver, you can rig something up. A toothpick and can of axl grease and a rubber band, and you've got yourself an ultrasound machine.
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    Old 03-03-2006, 03:32 PM   #27
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    Re: Excel Help

    Quote:
    Originally Posted by rconverse
    Nice sales pitch, homo.

    Thank you. Go masterbate to an autographed picture of Chesty McSweatervest handing a new recruit the keys to an Escalade.
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    Old 03-03-2006, 03:33 PM   #28
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    Re: Excel Help

    Quote:
    Originally Posted by MacGuyver
    shameless plug
    Shameless? yes. Worthless? yes. I don't make anything for promoting my product except making myself feel like I did something at work today.
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    Old 03-03-2006, 03:35 PM   #29
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    Re: Excel Help

    Quote:
    Originally Posted by thebigv
    Thank you. Go masterbate to an autographed picture of Chesty McSweatervest handing a new recruit the keys to an Escalade.
    That's funny. I do have an autographed picture.
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    Old 03-03-2006, 03:36 PM   #30
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    Re: Excel Help

    Quote:
    Originally Posted by rconverse
    That's funny. I do have an autographed picture.
    But it's not keys to an Escalade, is it? Is it the rights to Voyd Carr's anus?
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