search for: column_class

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2010 May 19
1
export dataframe's column classes to a list
...olumn classes to a list so that I can reinstantiate the dataframe from a CSV file in the future. (I know about save(), which I'm using in addition to this). what I want to do is the following: write.csv(myframe); col_classes = get_col_classes(myframe); write.csv(col_classes, "column_classes") ... time passes, R gets closed, etc ... col_classes = read.csv("column_classes") new_myframe = read.csv("myfile.csv", colClasses = col_classes) My question is how to construct the "get_col_classes()" function above. Any thoughts are greatly ap...