Based on X12-ARIMA model, TRAMO/SEATS model, ARMA model and GARCH model, with additive external adjustment for extraordinary data, the paper makes forecasting comparison of monthly index of inbound tourists to China by using sev.
本文采用X12-ARIMA模型、TRAMO/SEATS模型、ARMA模型与GARCH模型,对异常数据点采用附加的外部冲击调整,利用7种估计方法估计了我国入境旅游人次的月度指数并进行了预测比较,发现采用外部冲击检测的TRAMO/SEATS模型由于能有效提取序列数据的信息,对预测我国入境旅游人次最为有效。
If the course of study completed in the United States was less than 18 months' duration, the aggregate period of practical training may not exceed the number of months of studying.
如果在美国学习课程的时间不到十八个月，实际训练的月数前后不得超过学习的月数。
November is the penultimate month of the year.
十一月份是一年中倒数的第二个月。
The period of the highest density index is August.
在5-10月间8月蝇的密度指数为最高。
There are ten thousand more people in work this month than last.
这个月的在业人数比上月多一万人。
The price index dropped back last month
上个月物价指数下降了。
They voyaged for many months.
他们乘船航行数月。
The average for the last three months
过去3个月的平均数
The market has zigged and zagged for months.
市价起伏无常已有数月
The national employment figures are published every month.
全国就业人数按月公布.
She's been plugging away at her French lessons for months.
她已刻苦攻读法语数月.
the season peak appeared from February to May (77.62%);
2~5月发病人数占总病例数的77.62%;
Language definition must include name, months, shortmonths, and days.
语言定义必须包含名称、月份、短月份和天数。
Companies set fewer job cuts last month than in July.
跟7月相比，公司上个月裁员人数有所减少。
April CPI is expected to moderate to a 0.4% MoM rate vs. a prior 0.7% reading.
4月消费者价格指数预期达到0.4%（月率），前期为0.7%。
Most schools begin iii early September and end around the middle or end of June.
大多数的学校在9月开课，到6月中或6月底放假。
the monthly average of Eurasian meridional circulation index from last Jul. to this Jan. is 7 less;
上年7月至当年1月欧亚经向环流指数月平均值偏小7；
Some settled into ballrooms or theaters or hotels for weeks or months at a time.
有的乐队在舞厅、剧院或旅馆作数月甚至数月的逗留。
For example, at the end of each month, you can merge a partition that contains monthly data into a partition that contains yearly data.
例如，在每个月的月底，可以将包含月份数据的分区合并到包含年度数据的分区中。