You Ask, I Answer: Determining Sample Sizes for Surveys?
Phil asks, “How do you determine a large enough sample size for things like our survey? I always thought 10% sample would be enough, but you seemed to think that’s not true?” It depends on the size of the overall population. The smaller the...You Ask, I Answer: Hypothesis Formation Without Data Snooping in Marketing Data Science?
Jessica asks, “How would you differentiate hypothesis formation and searching for relevant variables WITHOUT “data snooping”?” Data snooping, or more commonly known as curve fitting or data dredging, is when you build a hypothesis to fit the...You Ask, I Answer: Setting Social Media Goals for 2020?
Annica asks, “What sort of goals should we be setting for social media in 2020?” Depending on how you use social media – for marketing, sales, customer service, etc. – will govern what kind of goals you set. For marketing, the simplest goals...You Ask, I Answer: Sample Sizes for Web Analytics?
Courtney asks, “How many web sessions (or users) would you need to send to a website for the results to be significant?” At first, I thought this question was about A/B testing, which has a whole range of statistics for it. But Courtney is actually asking...You Ask, I Answer: Categorical Prediction Techniques for Google Analytics?
Maggie asks, “Would you use CHAID analysis to discover relationships between multiple categorical predictor variables? For example, using GA dimensions (traffic channel, device type, country, landing page, etc.) and group them according to their likelihood to...AI for Marketers Book
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