|Title||Using a dataset that won't fit into RAM|
|Author||Alan Riley, StataCorp|
Load the dataset using the virtual memory system. This step requires you to start Stata with the /k option set large enough to hold the dataset. Once the dataset is loaded into memory, use the compress command to see if the variables can be stored using less memory. If so, save this dataset and exit from Stata. If you can now load the dataset into memory using only the available memory on the computer, then the problem is solved.
If your dataset is compressed and still will not fit into the available RAM of your computer, then use only those variables from the dataset that are necessary to run the commands in your analysis. If this allows you to load in the dataset using only the available memory on the computer, then the problem is solved.
|Warning: If your analysis requires that you use the virtual memory system, then your analysis will take an exceedingly long time and will probably not finish before your patience runs out.|
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Last updated: 16 November 2022
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