The volume of letters processed by POST Luxembourg decreased annually between the 2013 and 2022 fiscal years. In 2013, over 155.6 million letters were processed by POST Luxembourg, whereas by 2022, th
File ListRcode.txt (MD5: 251ee8b60b55024dd4aabc0f4903aa6a) Description R code used to run nonlinear CAP analysis (adapted from Millar et al. 2005) and Gradient Forest (adapted from Pitcher et al., 201
