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Upgrade to ProYou are a Data Engineer at Amazon Ads. The analytics pipeline requires impression data with costs normalized from internal micros format to standard USD. Additionally, any zero-cost impressions should be flagged as missing data (NaN) since they indicate tracking errors, and missing device type values should be filled with 'unknown' for consistent downstream reporting.
You are a Data Engineer at Amazon Ads. The analytics pipeline requires impression data with costs normalized from internal micros format to standard USD. Additionally, any zero-cost impressions should be flagged as missing data (NaN) since they indicate tracking errors, and missing device type values should be filled with 'unknown' for consistent downstream reporting.