Improving Tourism Statistics Publication Methods and Quality
Explore the proposed changes in the tourism statistics branch of NISRA, including the transition to quarterly publications and addressing sample size limitations for accuracy. Discover user views on statistical margins of error, annual estimates, and publication date adjustments for external sources. Considerations are made on publishing Fáilte Ireland and CSO survey estimates, along with potential solutions for enhancing data quality.
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Presentation Transcript
Tourism Statistics Branch NISRA Tourism Statistics Consultation Proposed move from separate monthly publications of main surveys (NIPS, VIAS and Domestic) to quarterly publications including all main surveys (NIPS, VIAS, Domestic and summaries of monthly occupancy statistics) Continue monthly publication of Hotel / Guest House and B&B occupancy figures as a lead indicator
Tourism Statistics Issues for User Views Appropriateness of existing statistical margins of error: 1. NIPS - annual overseas visitors - +/- 5% +/- 6 10% for key markets 2. Survey of Travellers no NI confidence intervals 3. Domestic overnight visits +/- 14% (marked improvements in precision can have significant costs associated) 4. Household Travel Survey - no NI confidence intervals a) To address this issue options include reporting of NIPS / CHS visitor survey estimates for the latest 12 months against the previous 12 months, as well as quarterly and YTD results (greater precision, though loss of timeliness)
Tourism Statistics Issues for User Views Sub-Northern Ireland annual estimates limited to combinations of District Councils and more than 100 visitors. Combination of overseas and domestic data to provide rolling bi-ennial (or tri-ennial) estimates Changing pre-announced publication dates if external (CSO / F ilte Ireland) sources are significantly delayed. 1. If expected within 6 weeks of the pre-announced publication - delay publication date to include these. 2. If not available within 6 weeks - publish remaining sources of quarterly estimates with an indication that this is a partial view. 3. Delay publication of all quarterly tourism statistics until the external sources are available
Tourism Statistics Issues for User Views Publishing F ilte Ireland (Survey of Overseas Travellers) estimates of GB and overseas visitors to NI who depart through a ROI port in NISRA s quarterly publication, while making clear the sample size limitations (c. 530 in 2011) Publishing CSO s Household Travel Survey estimates of ROI overnight visitors to NI in annual or quarterly publication.
NISRA Quarterly estimates Other options to address sample size limitations include:- Increased sample sizes (e.g. NIPS, CHS, SOTs, HTS) If same sample sizes NISRA would use rolling averages across years per quarter (as is proposed for annual SOTs) Same sample size with less frequent publications (e.g. moving from quarterly to annual) Views on any other aspect of the tourism statistics methodology?
