Mostly high, some low | Trying all methods | Using one method | Using a frequency table

Introduction | Frames and Channels in TIFF files | The Peculiarity of ImageJ TIFF files | Reading ImageJ TIFF files | The original tiff package | The ijtiff package | Note | Advice for all ImageJ users

Introduction to TIFF Tags | Supported TIFF Tags | Reading Tags from TIFF Files | Understanding Tag Values | Tags in Multi-Frame TIFF Files | Conclusion

Reading TIFF files | Reading only certain frames | More examples | Writing TIFF files | Reading text images | Writing text images

Ordinary brightness | The need for detrending | Thresholding | Calculation including thresholding and detrending | Timeseries calculation | Saving Images | Studying the Distribution of Brightnesses

An image in need of detrending | Thresholding | Detrending

Numbers don't comply with alphabetical order | Alphordering numbers

Before | After | A more concrete example

The Importance of this miscellany | Could this be numeric? | Currency | Extract a single element of a string | Extract numbers and non-numeric elements | Split a string by its numbers | Force a file name to have an extension | Strip away a file extension | Remove quoted bits from a string | Split camel case | Convert a string to a vector | Trim anything, not just whitespace | Remove duplicated bits of strings

A common way to encode numerical data | All of the numbers | Extract specific numbers | The n^th^ number | Numbers after patterns | Numbers before patterns | Tidy number extraction | Other number formats | All of the number functions | Regular expression

How it works | Examples | Performance

Setup | Main event | Roxytest functionality | RStudio addin for roxytest functionality | Cleanup

Setup | Main event | Cleanup

Setup | Main event | Cleanup

Ignoring case | base | strex | Error Messages | No matches | Multiple matches | Wrong arg length | Duplicate elements in choices | Not specifying choices

Batch detrending

Batch processing

Ordinary brightness | A contiguous brightness timeseries | An overlapped brightness timeseries

Stacks of Images

What are text images | What are they good for? | You might need to read them | You might (once in a million years) want to write them

Remove spaces from file names | Messed up file numbering | The name of a file without the extension | Ensure that a file name has a given extension