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The message converted into a bit string.
qr_encode(x, ecl = c("L", "M", "Q", "H"))
the input string
the required error correction level. Available options are "L" (7%), "M" (15%), "Q" (25%) and "H" (30%). Defaults to "L".
"L"
"M"
"Q"
"H"
Thierry Onkelinx
Other internal: qr_error(), qr_matrix(), qr_mode(), qr_version()
qr_error()
qr_matrix()
qr_mode()
qr_version()
qr_encode("HELLO WORLD")
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