Ignore cells on Excel line graph

Question

I am trying to draw a line graph in Excel 2010  The y column data source has some gaps in it and I want these to be ignored for the graph  Seems to default these to zero  I know the  Hidden and Empty Cell Settings  exists  but this is only giving the option to set it to zero  Any other way to get my graph looking the way I want it  Image available once I have enough reputation

User · Answer

In the value or values you want to separate  enter the  NA   formula  This will appear that the value is skipped but the preceding and following data points will be joined by the series line  Enter the data you want to skip in the same location as the original  row or column  but add it as a new series   Add the new series to your chart  Format the new data point to match the original series format  color  shape  etc    It will appear as though the data point was just skipped in the original series but will still show on your chart if you want to label it or add a callout

User · Answer

if the data is the result of a formula  then it will never be empty  even if you set it to      as having a formula is not the same as an empty cell  There are 2 methods  depending on how static the data is   The easiest fix is to clear the cells that return empty strings  but that means you will have to fix things if data changes  the other fix involves a little editing of the formula  so instead of setting it equal to     you set it equal to NA    For example  if you have  IF A1 0    B1 A1   you would change that to  IF A1 0 NA   B1 A1   This will create the gaps you desire  and will also reflect updates to the data so you don t have to keep fixing it every time

User · Answer

Not for blanks in the middle of a range  but this works for a complex chart from a start date until infinity  ie no need to adjust the chart s data source each time informatiom is added   without showing any lines for dates that have not yet been entered  As you add dates and data to the spreadsheet  the chart expands  Without it  the chart has a brain hemorrhage    So  to count a complex range of conditions over an extended period of time but only if the date of the events is not blank      IF  B6 lt      COUNTIF  O6  O6 Q 5       returns     N A    if there is no date in column B   In other words   count apples or oranges or whatever in column O  as determined by what is in Q5  but only if column B  the dates  is not blank   By returning     N A     the chart will skip the  blank  rows  blank as in a zero value or rather   N A      From that table of returned values you can make a chart from a date in the past to infinity

User · Answer

In Excel 2007 you have the option to show empty cells as gaps  zero or connect data points with a line  I assume it s similar for Excel 2010      If none of these are optimal and you have a  chunk  of data points  or even single ones  missing  you can group-and-hide them  which will remove them from the chart   Before hiding     After hiding

User · Answer

There are many cases in which gaps are desired in a chart    I am currently trying to make a plot of flow rate in a heating system vs  the time of day  I have data for two months  I want to plot only vs  the time of day from 00 00 to 23 59  which causes lines to be drawn between 23 59 and 00 01 of the next day which extend across the chart and disturb the otherwise regular daily variation   Using the NA   formula  in German NV    causes Excel to ignore the cells  but instead the previous and following points are simply connected  which has the same problem with lines across the chart   The only solution I have been able to find is to delete the formulas from the cells which should create the gaps    Using an IF formula with    as its value for the gaps makes Excel interpret the X-values as string labels  shudder  for the chart instead of numbers  and makes me swear about the people who wrote that requirement

[excel] Ignore cells on Excel line graph

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