Question about Texas Instruments TI-84 Plus Calculator

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List dimensions when i do ln reg and put in my lists it says i have a dimension problem, i checked the lists and they have the same number of entries i dont know what else can be wrong...

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This is a pretty vague problem but not much of a problem. Your actualy plotting device of your stat plot is under your "y=". But before you do that you need to hit the stat button right next to the blue apps button. Then hit edit. These are your stat datalist dimensions - 1.gif. If you are trying to add data in you should notice what list they are under. (top of the screen L1, L2, ect.) You should also make sure that the number of data adds up for your two list. Now that you have done that you can go to "2nd" then hit "y=". If you don't want to graph your stat plots just make sure they all sat plot... off by hitting enter on the one that says that it is on. Now if you want one on hit enter and make sure your lists from your data match up with your stat plot. You can hit enter and see what one you need. they are above the 1, 2, 3, etc key. Hope this works. If all else fails you can clear your calculator by pressing "2nd", "+", "7", "1", "2". This will turn off all your stat plots if you have trouble understandsing this. But most importnat make sure your L1 and L2 match up on your stat plot with your list under your stat edit. If you don't understand this just i can help you out some more

Posted on Jan 10, 2008

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Posted on Jan 02, 2017

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Certain mathematical entities have so called dimensions: A list has a dimension, which is the number of elements in the list. Matrices also have dimensions which are the number of rows, and the number of columns.

If you are doing paired variable statistics, the data is in two lists and if the number of elements in one list is not equal to the number of elements of the the other, the dimension are not matched (equal), and calculator will give you dimension mismatch in any calculation that involves BOTH list.

The problem with your question is that you do not say what you were trying to do and I will have to guess or read your mind.

I suggest you reset the RAM to erase any old configuration that may be interfering with what you want to do.
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What is DIM mismatch? It won't let me do anything!


Certain mathematical entities have so called dimensions: A list has a dimension, which is the number of elements in the list. Matrices also have dimensions which are the number of rows, and the number of columns.

If you are doing paired variable statistics, the data is in two lists and if the number of elements in one list is not equal to the number of elements of the the other, the dimension are not matched (equal), and calculator will give you dimension mismatch in any calculation that involves BOTH list.

The problem with your question is that you do not say what you were trying to do and I will have to guess or read your mind.

I suggest you reset the RAM to erase any old configuration that may be interfering with what you want to do.
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  3. Calculator answers with "Ram Cleared" message.
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Another posssibility is that when you tried to clear list one, you may have deleted list one. If this is the case, you can get the column labeled list one back by pressing stat, then select set up editor form that menu which will take you back to the home screen. Press enter and the word done will appear. Now when you go back to stat edit, list one will be there.

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