[Gnuplot-info] Error | Need full using spec for x time data

[mikeincousa <mik...@gm...>]

Very very beginner with gnuplot.

Simply seeking to graph stock series.

Where am I going wrong? 

*Data:* (short span to avoid the blank line issue with nonconsecutive
dates--for now).
2013-03-11 68.81
2013-03-12 68.56
2013-03-13 68.47
2013-03-14 68.70
2013-03-15 68.51
#QQQ
*
Code*
set xdata time
set timefmt "%Y/%m/%d"
set xrange ["2013-03-11":"2013-03-15"]
set format x "%Y/%m/%d"
plot "/home/mike/QQQ2.txt" using1:2 [# or using1:3-see below]
*
Tests*
gnuplot> show xdata
	x is set to time

gnuplot> show timefmt
	read format for time on x axis is "%Y/%m/%d"
	read format for time on t axis is "%Y/%m/%d"
	read format for time on u axis is "%Y/%m/%d"

gnuplot> show xrange
	set xdata time
	set xrange [ "2013/01/01" : "2013/01/01" ] noreverse nowriteback

gnuplot> show format
	tic format is:
	  x-axis: "%Y/%m/%d"
	  y-axis: "% g"
	  x2-axis: "% g"
	  y2-axis: "% g"
	  z-axis: "% g"
	  cb-axis: "% g"

>>>>>>>>>>
gnuplot> *plot* "/home/mike/QQQ2.txt" using1:2
         Need full using spec for x time data

gnuplot> plot "/home/mike/QQQ2.txt" using1:3
         Need full using spec for x time data

-------->>/adding a space/ after using..

gnuplot> plot "/home/mike/QQQ2.txt" using 1:3
         warning: Skipping data file with no valid points                                           
^
         Can't plot with an empty x range!

>>>>>*Reference*
Confusing, as are the others hits in response to the error msg.
http://gnuplot.10905.n7.nabble.com/Histograms-amp-co-td5731.html#a573





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