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. 2019 Sep 25;21(9):e14567. doi: 10.2196/14567

Table 1.

Analysis of install categories based on the number of apps in each category.

Install category Apps identified, n Minimum identified app installs within this categorya, n Cumulative frequency of app installs based on category thresholdb, n Added percentage of installs to the overall samplec, %
≥10,000,000 2 20,000,000 20,000,000 100.00
5,000,000-9,999,999 6 30,000,000 50,000,000 60.00
1,000,000-4,999,999 21 21,000,000 71,000,000 29.58
500,000-999,999 23 11,500,000 82,500,000 13.94
100,000-499,999 69 6,900,000 89,400,000 7.72
50,000-99,999 33 1,650,000 91,050,000 1.81
10,000-49,999 103 1,030,000 92,080,000 1.12
5000-9999 66 330,000 92,410,000 0.36

aThe number of apps multiplied by the minimum number of installs based on the install category.

bThe accumulated number of app installs in all install categories above and including the current install category.

cThe added percentage of installs to the total sample if the current install category is added to the analysis; it represents the percentage of the total number of app installs within this category divided by the accumulated number of app installs based on the current category threshold.