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aggregation, and any pattern of missing values. …
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This paper documents a comparative application of algorithms to deal with the problem of missing values in higher frequency data sets. We refer to Swiss business tendency survey (BTS) data, in particular the KOF manufacturing surveys, which are conducted in both monthly and quarterly frequency,...
Persistent link: https://www.econbiz.de/10013472865
This paper documents a comparative application of algorithms to deal with the problem of missing values in higher frequency data sets. We refer to Swiss business tendency survey (BTS) data which are conducted in both monthly and quarterly frequency, where an information sub-set is collected at...
Persistent link: https://www.econbiz.de/10013482570
answer the question of whether aggregation models of monthly time series significantly improve forecast accuracy. Through … aggregation, the forecast mean absolute deviations (MADs) and mean absolute percent errors (MAPEs) were found to be statistically …
Persistent link: https://www.econbiz.de/10015383263
This paper compares the German Gross Domestic Product between 1991 and 2008 with the Ifo business indicators. Because GDP is published quarterly but the Ifo indicators monthly, the most analyses compare these variables by merging the indicators to quarterly data. In this paper an alternative way...
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The analysis of seasonality in economics and the development of new seasonal adjustment procedures have been following …
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seasonality and calendar effects, obtained by disaggregating the original annual actual measurements using related monthly … model at the monthly frequency, accounting for the presence of seasonality and calendar components. The monthly frequency …
Persistent link: https://www.econbiz.de/10015316578