| add_logo | Add a logo to a QR code | 
| as.character.bits | Convert a bits object into a character string | 
| bits | Create a bits object | 
| bits2int | Convert a bits object to an integer and vice versa | 
| c.bits | Combine bits | 
| coordinates | Extract coordinates from a QR code object. | 
| generate_svg | Generate the QR code as an svg file | 
| generate_svg.default | Generate the QR code as an svg file | 
| generate_svg.qr_code | Generate the QR code as an svg file | 
| generate_svg.qr_logo | Generate the QR code as an svg file | 
| generate_svg.qr_wifi | Generate the QR code as an svg file | 
| int2bits | Convert a bits object to an integer and vice versa | 
| plot.qr_code | Plot the QR code This function plots to QR code to the open device. | 
| plot.qr_logo | Plot the QR code This function plots to QR code to the open device. | 
| print.bits | Print a bits vector Display the logical vector as a bit string where 'FALSE' is shown as '0' and 'TRUE' as '1'. | 
| print.qr_code | Print the qr_code object | 
| qr_code | Generate the QR code | 
| qr_encode | Create the bit encoding | 
| qr_error | Create the message and error code bit string | 
| qr_event | Generate a QR code for an event | 
| qr_location | Create a QR code for a location | 
| qr_matrix | Prepare matrices with default patterns and unmasked data A list with a matrix containing the default patterns (finder pattern, timing pattern, separators, alignment pattern and dark module), the unmask data pattern and the version. | 
| qr_mode | Determine the required mode | 
| qr_sepa | Generate a QR code for a SEPA payment | 
| qr_vcard | Create a QR code for a vCard | 
| qr_version | Determine the required version Returns a list with the version, error correction level and mode. The bit string encodes mode and the length of the input string. | 
| qr_wifi | Generate QR code with wifi login information |