Good evening to everybody. I have a data of four columns - three of the
columns represent date while the fourth is counts.  Setting 4000 as my
minimum point/value, I wish to find out the number of counts that are less
or equal to 4000 and the dates they occur. I have installed pastecs and have
been trying to use turnpoints function to do this. I have not been much
lucky. I am a still learning. I have added part of my data here where y
stands for year, m month, d day and lastly the count.
I would be grateful to anyone who could show me the way the do this.
Best regards
Ogbos

y  m   d  count
93 02 07 3974.6
93 02 08 3976.7
93 02 09 3955.2
93 02 10 3955.0
93 02 11 3971.8
93 02 12 3972.8
93 02 13 3961.0
93 02 14 3972.8
93 02 15 4008.0
93 02 16 4004.2
93 02 17 3981.2
93 02 18 3996.8
93 02 19 4028.2
93 02 20 4029.5
93 02 21 3953.4
93 02 22 3857.3
93 02 23 3848.3
93 02 24 3869.8
93 02 25 3898.1
93 02 26 3920.5
93 02 27 3936.7
93 02 28 3931.9

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