[Funnel Visualization] The Funnel Visualization report shows up to 50,000 daily unique paths. If you have more than 50,000 unique paths per day, then you may see (other) reported. [Goal Flow] The Goal Flow report is sampled based on 100,000 sessions. To reduce the effects of sampling, try decreasing the date range. [0] 
Sampling When is the data in the report sampled?