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что непонятно? ... понаехали тут...
How do the Cities, Regions, and Languages tabs work?
When the Cities tab is selected, Google Trends first looks at a sample of all Google searches to determine the cities from which we received the most searches for your first term. Then, for those top cities, Google Trends calculates the ratio of searches for your term coming from each city divided by total Google searches coming from the same city. The city ranking you see on the page and the bar charts alongside each city name both represent this ratio. When cities' ratios are fairly close together, the corresponding bar graphs will be roughly the same length, and the exact ranking between these cities is less meaningful.
The Regions and Languages tabs work just like the Cities tab. Google Trends uses IP address information from our server logs to make a best guess about where queries originated. Language information is determined by the language version of the Google site on which the search was originally entered.
Keep in mind that instead of measuring overall interest in a topic, Google Trends shows users' propensity to search for that topic on Google on a relative basis. For example, just because a particular region isn't on the Top Regions list for the term "haircut" doesn't necessarily mean that people there have decided to stage a mass rebellion against society's conventions. It could be that people in that region might not use Google to find a barber, use a different term when doing their searches, or simply search for so many other topics unrelated to haircuts that searches for "haircut" make up a very small portion of the search volume from that region when compared to other regions.
When the Cities tab is selected, Google Trends first looks at a sample of all Google searches to determine the cities from which we received the most searches for your first term. Then, for those top cities, Google Trends calculates the ratio of searches for your term coming from each city divided by total Google searches coming from the same city. The city ranking you see on the page and the bar charts alongside each city name both represent this ratio. When cities' ratios are fairly close together, the corresponding bar graphs will be roughly the same length, and the exact ranking between these cities is less meaningful.
The Regions and Languages tabs work just like the Cities tab. Google Trends uses IP address information from our server logs to make a best guess about where queries originated. Language information is determined by the language version of the Google site on which the search was originally entered.
Keep in mind that instead of measuring overall interest in a topic, Google Trends shows users' propensity to search for that topic on Google on a relative basis. For example, just because a particular region isn't on the Top Regions list for the term "haircut" doesn't necessarily mean that people there have decided to stage a mass rebellion against society's conventions. It could be that people in that region might not use Google to find a barber, use a different term when doing their searches, or simply search for so many other topics unrelated to haircuts that searches for "haircut" make up a very small portion of the search volume from that region when compared to other regions.
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Запрос web 2.0 в Google Trends