This tokeniser takes in a Search Query Report for last 7 and last 30 days from Adwords with Impressions, Clicks, Cost & Conversion data.
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It then calculates the contribution of each specific token word in terms of those metrics. 
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This script is useful to find trending or rising token words in your search queries. It can be used as an indication of trend that might impact your spend, either positively or negatively. It could also point to a growing or changing search tendencies from your target customers.