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I want to use excel to find the best combination of swimmers for a 4x100m mixed medley. Each swimmer has 4 times recorder *one for each discipline fly, free, back, breast) and there are x swimmers.
The time notation is mm:ss,00 for each measurement.
The result should be the names of the swimmers who have combine e best time as a sum.
A swimmer can not swim in two disciplines at the same medley.
Any ideas on how this can work out in excel without VBA?
Thanks!
Miltos
I changed every time measurement to a decimal number and tried to add the possible combinations together, so that I can then compare the results and find the minimum which would give the best combination. I can not find an easy way to do the combination sums.
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I thought this would be fairly easy but I am struggling with it a little to be efficient. I have two sets of data (PROD) & (TEST). Each has 10 or so fields (Case Number, Broker, Broker Code, Transaction Type...) and they all have a unique Case Number) I expect the two sets to vary, both in cases found in the sets and the data within and also when the larger volume of data comes in tomorrow.
My challenge is to identify where the (TEST) system got it wrong when trying to automatically pull the (PROD) data.
Any advice on how to best approach this task is much appreciated. I'd like to have a 3rd tab where the case number by the fields that were correct or incorrect for each type.
Thanks in advance.
Craig
I have spent some time today testing VLOOKUPs, INDEX MATCH, but I can't seem to find a solution that capture the cases and where they are incorrect in Excel. I think where I am hitting the wall is that the case numbers won't marry up on the rows one for one and so any row based work will not match. I can populate based on criteria but I can't then match the result against a result with the same case number and not just the row number.
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I'm hoping to find a solution for the following problem. Consider a column of numbers in the following sequence:
{2,2,2,2,4,4,4,4,7,7,7,7,8,8,13,13,13,13,13}
Now I want to check if in this sequence at some time, there is a particular increase in the sequence. So if I'm looking for an increase of 5, I notice that between 8 and 13 the sequence increases by 5.
I have two possible solutions in mind, but I can't seem to find a kind of elegant way of achieving this without VBA.
Solution 1: Get the unique values from the list, taking the difference between the numbers and see if 5 is in it.
Solution 2: Subtract the first value until the (N - 1)th value from the second to Nth value and see if 5 is in it.
I'm also hoping to fit the code in one cell!
Any help would be greatly appreciated.
Assuming you data is in Column A, then the formula
{=OR(($A$2:$A$20001-$A$1:$A$20000)=5)}
will get TRUE if there is a increase of 5 between two cells in $A$1:$A$20000.
This is an array formula. Input it into the cell without the curly brackets and press [Ctrl]+[Shift]+[Enter] to confirm. The curly brackets should then appear automatically.
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I have a scraper pulling data from youTube for a slew of URLs. It generates a CSV and depending on the URL it can grab between 15 and 25 rows of data.
What I need to do is separate the URLs into mini sequences and add a total for each URL. I've been going in and doing this manually-scanning the rows and pasting in my ten row chunk of math to strip out the text and add the values up. It's super tedious.
Is there some way to looking at these URLs, they will be the same for 20 rows or so, and then change, when that change happens, on that row add some kind of action/math to do what I need?
Here's a look at that scraped data:
This will sum only the first 5 rows of each url (assuming they're sorted together)
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Is it possible to create custom cell properties in Excel to achieve the following:
Give all cells an "SI unit" property.
Raw data cells can be manually given an SI unit
Whenever you perform a formula calculation, the SI units of the input cells get combined based on defined rules - e.g. when multiplying, add the units, when adding, check the units are consistent.
The end result is that the output of any complex calculations is easy to sense check by seeing if the units are correct (i.e. you can spot erroneous multiplications/divisions that have been made along the way)
I've done my research and found a few things on custom cell properties, but nothing that would achieve the above result.
If this add-on were to exist, it would be really useful for large-scale models in Excel which process lots of data. For instance, in complex economic models to calculate valuations such as the economic impact of releasing a kg of pollutant, simple errors like inadvertently multiplying by the same variable twice at different points in the computation are easily introduced. If you were able to inspect the units of each cell, which depends on the units of the cells which the formula within it references, then you could quickly spot and address this kind of issue.
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I need to find a formula that I can use for any number, and have it output a number identified to correspond to that range.
For instance, I need to be able to input:
A number >2.50 and <7.49, and the formula spit out $0.05
A number >7.50 and <24.49, and the formula spit out $0.10
A number >25.00 and <74.99 and the formula spit out $0.50, and so on/so forth.
If you want to have a set of pre-defined values that you output as you showed in your example then I would use =VLOOKUP() like this:
Using this you can set what your desired output is in the table. Now I cannot tell if there is a pre-defined pattern you are using to determine your outputs, if so a simple math algorithm might make more sense than this.
It is possible to do this in a single formula:
=INDEX({0,0.05,0.1,0.5,10},MATCH(B1,{0,2.5,7.5,25,75},1))
You'll have to jiggle about with the cut-off points as you haven't stated clearly where the between values should fall, and what happens with larger or smaller values.