I am having problems saving a time series plot using the png() the code that I am using looks good but I must be missing something. My second issue is I can use glm() but glm.fit() makes the axis but not the plot on the axis. Attached is the code I am using and the data set. The version of R is 2.15.2.

Thank you
Wayne Schlemitz
schmtzway@yahoo.com

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