google analytics - GA total results is significantly less with hour dimension than with date dimension -
i using ga api running 2 queries on 1 year's worth of data:
query1:
get apiquery = analytics.data().ga() .get("ga:" + profileid, "2013-03-08", "2014-03-09", "ga:visits") .setdimensions("ga:campaign,ga:keyword,ga:date") .setsort("ga:campaign,ga:keyword") .setfilters("ga:medium==cpc") .setmaxresults(1000);
query2:
get apiquery = analytics.data().ga() .get("ga:" + profileid, "2013-03-08", "2014-03-09", "ga:visits") .setdimensions("ga:campaign,ga:keyword,ga:date,ga:hour") .setsort("ga:campaign,ga:keyword") .setfilters("ga:medium==cpc") .setmaxresults(1000);
the difference hour dimension.
the first query returns 651322 results second query returns 91592 results
this doesn't make sense me - expect approx 651322*24 = 15m results returned.
does know why be?
thanks help,
josh
it sounds me data has been sampled.
samplinglevel string no desired sampling level. allowed values:
•default — returns response sample size balances speed , accuracy. •faster — returns fast response smaller sample size. •higher_precision — returns more accurate response using large sample size, may result in response being slower.
note: if remember right api should return variable data. tells data sampled: try looking containssampleddata, samplesize, or samplespace. cant remember 1 right minute.
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