The time series analysis show that the two class of variables have one order negative correlation, and the trading activity has weekly seasonal effect.
时间序列分析显示两类变量都存在一阶负相关,而交易活动存在周日效应。
In Figure 2, the action class sets the values of two variables using getter and setter methods.
图2中,action类使用getter和setter方法设置两个变量的值。
To begin, go to the list of variables in the xforms_lib.php class file, and add two more variables, as shown in Listing 1.
首先,转到xforms_lib . php类文件中的变量列表,添加另外两个变量,如清单1所示。
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