Description Usage Arguments Value
This will first look in the given directory for a CSV or Rda version of the file, if it exists, that will be read and returned. Otherwise it will execute the query and then saves a CSV or Rda file.
1 2 3 |
dir |
the directory to save and load cached data files. Defaults to the
current working directory (i.e. |
filename |
the filename of the cached data file. |
query |
the query to execute. |
maxLevels |
the maximum number of levels a factor can have before being converted to a character vector. |
... |
other parameters passed to the |
format |
either |
a data frame.
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