/// <summary>
        /// 用户点击的商品去重后的数量
        /// </summary>
        /// <param name="data"></param>
        public void SetUniqueScanAndBuyCount(IGrouping <int, T_UserAction> data)
        {
            int spanCount = 24 / m_hourSpan * m_relationDays;

            int[] behaviorTypes = new int[] { 1, 2, 3, 4 };

            for (int i = 0; i < behaviorTypes.Length; i++)
            {
                for (int span = spanCount; span > 0; span--)
                {
                    DateTime dateTime = PredictDate.AddHours(-span * m_hourSpan);
                    int      value    = data.Where(d => d.behaviortype == behaviorTypes[i] && d.actiondate >= dateTime).GroupBy(d => d.itemid).Count();
                    if (value == 0)
                    {
                        break;
                    }
                    this.UniqueItemFourBehaviorCount.SetValue(i, span - 1, value);
                }
            }
        }
        //更新商品类别转化率
        private void UpdateTransferRate(IGrouping <int, T_UserAction> items)
        {
            for (int span = 24 * m_relationDays; span > 0; span -= m_hourSpan)
            {
                var buyCount = this.FourBehaviorCountCollection.ActionData[3][span / m_hourSpan - 1];

                DateTime dateTime = PredictDate.AddHours(-span);

                var data =
                    items.GroupBy(d => d.userid)
                    .Where(d => d.Any(r => r.actiondate >= dateTime));

                for (int i = 1; i <= 3; i++)
                {
                    var    count = data.Count(d => d.Any(r => r.behaviortype == i) && d.Any(r => r.behaviortype == 4)); //收藏且购买的
                    var    total = data.Count(d => d.Any(r => r.behaviortype == i));                                    //收藏总人数
                    double value = 1.0 * (1 + count) / (2 + total);                                                     //进行了一次平滑,假设如果没有记录,购买转化率是0.5

                    TransferRateCollection.SetValue(i - 1, span / m_hourSpan - 1, value);
                }
            }
        }