Talk:Spring 2015 Event/@comment-25784159-20150430152103/@comment-219.99.100.62-20150430192134

Cookie-san,

Thank you for your comment.

I checked Kancolle db again. There is no clear explanation about whether drop rate is "number of dropped ship/all sorties" or "number of dropped ship/all dropped ships", but it seems that "number of dropped ship/all dropped ships".

For example;

About "敵艦隊：アンズ環礁泊地 支援部隊 ", There is the data " 摩耶  91(件数)  90（S）  1（A）  0（B）  4.05%（比率）drop rate"

This means that at node K, until now, 91 摩耶 were dropped. 90 摩耶 at S victory and 1 摩耶 at A victory. no 摩耶 was dropped at B victory. drop rate is 4.05%.

Then I checked all sum of dropped ships(= sum of "件数" for each ship). It is 2245. This means that 2245 ships were dropped at node K.

91(摩耶's 件数)/2245(all dropped ships) = 4.05%.

As you may know, at non-boss node, sometimes ship is not dropped.

So if non-drop and drop is half and half at non-boss node, then;

91(摩耶's 件数)/(2245(all dropped ships)+2245(number of non-drop even though victory)) = 2.025%.

<span style="color:rgb(0,0,0);">But more accurately, Roma is dropped only at S victory, so accurate droprate will be;

34(Roma's 件数)/(2226(all dropped ships at S victory(=sum of "S" for each ship)) + 2226(Probable non-drop at S victory)) = 0.76%

I am sorry if my comment is wrong. I would appreciate it if you correct it if there is my misunderstanding.