How to enter an array formula within another formula











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I have an Excel sheet, which holds timings for reports (when were they started, first handled, still open or already closed, ...).



For clarity in the Excel formulas, I've given a name to all columns, e.g.:




  • name All_Still_Open : the column Still_Open contains TRUE or FALSE, a formula result.

  • name All_Start_Dates : the column Start Date contains the starting date of the reports.


I'd like to know the average time a report is still open. Therefore I have following array formula:



{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


(The curly brackets are entered using Ctrl+Shift+Enter)



This is working fine, but my department has been working very hard, and now no report is open anymore. As a result of this, the formula gives a division by zero error code, which I don't want: I'd like to see the value 0 instead.



I've tried to put an IF-clause around it, but this doesn't work: the if-clause seems to make it impossible to turn this into an array formula.



I'd like something like the following:



=IF(<condition>;0;{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


=> Mind the curly brackets.



Is this possible using standard Excel or do I need to write my own function for this (which I prefer to avoid for readability reasons)? (It seems that adding the curly brackets myself, without using Ctrl+Shift+Enter, does not work.










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  • Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
    – Forward Ed
    Nov 28 at 12:59

















up vote
0
down vote

favorite












I have an Excel sheet, which holds timings for reports (when were they started, first handled, still open or already closed, ...).



For clarity in the Excel formulas, I've given a name to all columns, e.g.:




  • name All_Still_Open : the column Still_Open contains TRUE or FALSE, a formula result.

  • name All_Start_Dates : the column Start Date contains the starting date of the reports.


I'd like to know the average time a report is still open. Therefore I have following array formula:



{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


(The curly brackets are entered using Ctrl+Shift+Enter)



This is working fine, but my department has been working very hard, and now no report is open anymore. As a result of this, the formula gives a division by zero error code, which I don't want: I'd like to see the value 0 instead.



I've tried to put an IF-clause around it, but this doesn't work: the if-clause seems to make it impossible to turn this into an array formula.



I'd like something like the following:



=IF(<condition>;0;{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


=> Mind the curly brackets.



Is this possible using standard Excel or do I need to write my own function for this (which I prefer to avoid for readability reasons)? (It seems that adding the curly brackets myself, without using Ctrl+Shift+Enter, does not work.










share|improve this question






















  • Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
    – Forward Ed
    Nov 28 at 12:59















up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have an Excel sheet, which holds timings for reports (when were they started, first handled, still open or already closed, ...).



For clarity in the Excel formulas, I've given a name to all columns, e.g.:




  • name All_Still_Open : the column Still_Open contains TRUE or FALSE, a formula result.

  • name All_Start_Dates : the column Start Date contains the starting date of the reports.


I'd like to know the average time a report is still open. Therefore I have following array formula:



{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


(The curly brackets are entered using Ctrl+Shift+Enter)



This is working fine, but my department has been working very hard, and now no report is open anymore. As a result of this, the formula gives a division by zero error code, which I don't want: I'd like to see the value 0 instead.



I've tried to put an IF-clause around it, but this doesn't work: the if-clause seems to make it impossible to turn this into an array formula.



I'd like something like the following:



=IF(<condition>;0;{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


=> Mind the curly brackets.



Is this possible using standard Excel or do I need to write my own function for this (which I prefer to avoid for readability reasons)? (It seems that adding the curly brackets myself, without using Ctrl+Shift+Enter, does not work.










share|improve this question













I have an Excel sheet, which holds timings for reports (when were they started, first handled, still open or already closed, ...).



For clarity in the Excel formulas, I've given a name to all columns, e.g.:




  • name All_Still_Open : the column Still_Open contains TRUE or FALSE, a formula result.

  • name All_Start_Dates : the column Start Date contains the starting date of the reports.


I'd like to know the average time a report is still open. Therefore I have following array formula:



{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


(The curly brackets are entered using Ctrl+Shift+Enter)



This is working fine, but my department has been working very hard, and now no report is open anymore. As a result of this, the formula gives a division by zero error code, which I don't want: I'd like to see the value 0 instead.



I've tried to put an IF-clause around it, but this doesn't work: the if-clause seems to make it impossible to turn this into an array formula.



I'd like something like the following:



=IF(<condition>;0;{=AVERAGE(IF(All_Still_Open;TODAY()-All_Start_Dates))}


=> Mind the curly brackets.



Is this possible using standard Excel or do I need to write my own function for this (which I prefer to avoid for readability reasons)? (It seems that adding the curly brackets myself, without using Ctrl+Shift+Enter, does not work.







microsoft-excel worksheet-function






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asked Nov 28 at 9:29









Dominique

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  • Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
    – Forward Ed
    Nov 28 at 12:59




















  • Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
    – Forward Ed
    Nov 28 at 12:59


















Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
– Forward Ed
Nov 28 at 12:59






Try IFERROR if its available to you. IF(your formula, what to do if an error)". Remember only one = sign per line. So {=IFERROR(AVERAGE...)}. Also depending on your version of excel, there is now apparently AVERAGEIF if I recall correctly.
– Forward Ed
Nov 28 at 12:59

















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