Abberger, Klaus; Graff, Michael; Müller, Oliver; … - 2022
frequency data sets. We refer to Swiss business tendency survey (BTS) data which are conducted in both monthly and quarterly … approaches, we apply them to series that are artificially quarterly, i.e., de facto monthly, from which we create quarterly data … by deleting two out of three data points from each quarter. The target series for imputation of missing (deleted …