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Error Checking for Functions Accepting Numeric Data Types in R

Understanding Vectorization in R: Overcoming Limitations of `ifelse`

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Creating and Sending VCards from iPhone Address Book Contacts using Objective-C or Swift

Advanced Methods and Best Practices for Time Series Data in R

Understanding the Issue with UIControls in Interface Builder and Runtime Changes: The Complexity Behind Designing User Interfaces

Importing and Creating Time Series Data Frames in an Efficient Way

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Aggregating Multiple Columns Based on Half-Hourly Time Series Data in R.