Charts with aggregation type "Unique (%)" show wrong values


hi,

discovered aggregation type "unique (%)" helpful many types of data.

discovered percentages shown on right side cannot correct.

tried attach images post failed. here examples on dropbox:

if @ second item in lower char can see percentage far high compared length of bars. also, if select single bar seems show correct values. checked bars , found every bar value of 2nd item smaller total.

 

friedo


hello friedo,

i think percentages on right side is "unique %" calculated on whole period unless bar selected. "unique" on whole period can greater of single bar for category - values can different between bars in same category and 1 bar showing 10 unique users (day a) with other bar showing 10 unique users (day b) can result in 2 bars (unique on day a+b) having 15 distinct users 5 users repeating between bars (same users in day in day b).

this maybe more dramatic larger amounts of bars. if 1 has new visitors every day page (intro page) and repeating visitors every day page b (shopping cart), bars of unique users each day can be, say, 30% page , 20% page b. if on month worth of data increase page unique users percentage significantly, since page has new users every day, while relative percentage of page b go lower since page had same visitors every day.

dmitry matveev





Visual Studio Development  ,  Visual Studio Team Foundation Server  >  Application Insights (AI)



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