The EXPAND ProcedureOverviewGetting StartedSyntaxDetailsExamplesReferencesGetting Started: EXPAND ProcedureSubsections:Converting to Higher Frequency SeriesAggregating to Lower Frequency SeriesCombining Time Series with Different FrequenciesInterpolating Missing ValuesRequesting Different Interpolation MethodsUsing the ID StatementSpecifying Observation CharacteristicsConverting Observation CharacteristicsCreating New VariablesTransforming SeriesCopyright © SAS Institute Inc. All rights reserved.Last updated: November 05, 2018