c# - Linq calculate average,total and compare the result in query -


i having trouble in following query how add if else in select block want better way write following query

var x = csvparser.parsecsv(@"data.csv"); var unsettledcustomers = x.groupby(g=>g.id).     select(gg =>new     {         id=g.key,         total=g.sum(xx=>xx.stake),         avg=g.average(ss=>ss.win)     });  

var unsettledcustomers = x.groupby(g => g.id)     .select(g => new     {         id = g.key,         total = g.sum(xx => xx.stake),         avg = g.average(ss => ss.win),         avgeragebet = g.average(ss => ss.stake),         unusualbets = g.where(bet => bet.stake > (10 * g.average(ss => ss.stake))).tolist()     });  var allunusualbets = unsettledcustomers.selectmany(y => y.unusualbets); 

your posted question:

i want identify bets stake (bet) more 10 times higher customer’s average bet in betting history...

your data id = customer id. note there no instances average bet * 10 higher bet placed there no unusual bets in sample data according have defined in question.

id: 1, averagebet: 400, averagebettimes10: 4000, highest bet: 1000

id: 2, averagebet: 15, averagebettimes10: 150, highest bet: 20

id: 3, averagebet: 110, averagebettimes10: 1100, highest bet: 300

id: 4, averagebet: 237.5, averagebettimes10: 2375, highest bet: 300

id: 5, averagebet: 73.3333333333333, averagebettimes10: 733.333333333333, highest bet: 100

id: 6, averagebet: 162.5, averagebettimes10: 1625, highest bet: 500


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