I have approximately 2.5 million rows from a number of sensor readings. Having plotted these, I can see a given pattern (say a spike in the amplitude away from the mean). I would now like to automate this procedure as we're expecting a great deal more data in the near future. Is there any package or function that will make this possible? Many thanks! I suppose, I could do something like: amplitude <- abs(sensorReadings[sensorReadings[,2] > 1.2 * median(sensorReadings[,2]),]) Is this the most efficient way to do what I want or not? -- H
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