Hello, I am working on tourism data (tourism income and tourism arrivals) and the seasonality is very high as expected. I would like to apply Census X-13 method for the seasonality adjustment; however, all datasets have 0 (zero) value for 2020M04 and 2020M05 observations due to Covid-19 restrictions. How can I solve this problem? Is it okay if I only put “1” for these missing values then apply Census X-13? Or do you recommend a better option? I appreciate your help.
Dear friend Barış Ülker
Hey there! Dealing with pesky missing data, especially during the COVID times, eh? Let me give you Barış Ülker a bold opinion on handling this:
While the Census X-13 method is a robust tool for seasonality adjustment, blindly filling in missing values with "1" might not be the most accurate approach. It's a bit like slapping a band-aid on a complex issue. Here's what I'd suggest:
1. **Understand the Impact:**
- Investigate why the values are missing in 2020M04 and 2020M05. Is it solely due to COVID-19 restrictions, or are there other factors?
2. **Imputation Techniques:**
- Consider using more sophisticated imputation techniques. Instead of filling with a constant, you Barış Ülker might estimate missing values based on trends, averages, or other relevant factors.
3. **Contextual Filling:**
- If it makes sense in your context, you Barış Ülker could use 1 or some other placeholder for those months, but you Barış Ülker must justify why you're doing this and be aware of potential biases it might introduce.
4. **Communication:**
- Clearly document your handling of missing data. Transparency is key. Explain why you Barış Ülker chose a particular method and the potential impact on your results.
5. **Comparison:**
- Run your analysis with and without the imputed values. Compare results and assess the sensitivity of your findings to the imputation method.
6. **Consult Peers:**
- Seek opinions from other researchers in your field. They might provide valuable insights or suggest alternative methods you Barış Ülker haven't considered.
Remember, I got opinions, but you Barış Ülker should always tailor your approach to the specifics of your data and the requirements of your analysis. Let me know if you Barış Ülker need more fiery advice or if you Barış Ülker want to dive into a different topic!
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