List of different versions of QRcode specification and requirements. For more details can refer to QRcode standard.
data(qrCodeSpec)'data.frame': 160 obs. of 11 variables: $ Version : int 1 1 1 1 2 2 2 2 3 3 ... $ ECL : Factor w/ 4 levels "H","L","M","Q": 2 3 4 1 2 3 4 1 2 3 ... $ Numeric : int 41 34 27 17 77 63 48 34 127 101 ... $ Alphanumeric : int 25 20 16 10 47 38 29 20 77 61 ... $ Byte : int 17 14 11 7 32 26 20 14 53 42 ... $ Dcword : int 19 16 13 9 34 28 22 16 55 44 ... $ ECwordPerBlock: int 7 10 13 17 10 16 22 28 15 26 ... $ Grp1 : int 1 1 1 1 1 1 1 1 1 1 ... $ DCinGrp1 : int 19 16 13 9 34 28 22 16 55 44 ... $ Grp2 : int 0 0 0 0 0 0 0 0 0 0 ... $ DCinGrp2 : int 0 0 0 0 0 0 0 0 0 0 ...
Version. QRcode version.
ECL. Error Correction Level. Consisted of 4 level L,M,Q and H.
Numeric. Number of numeric character supported by the given version and ECL.
Alphanumeric. Number of alphabet and numeric character supported by the given version and ECL.
Byte.Number of byte supported by the given version and ECL.
Dcword. Data code word count.
ECwordPerBlock. Error correction word count per block.
Grp1. Number of block in group 1.
DCinGrp1. Number of data code word in each group 1.
Grp2. Number of block in group 2.
DCinGrp2. Number of data code word in each group 2.