The time series is mainly divided into absolute number time series, relative number time series and ( ).
A: Period series
B: Time-point series
C: Chronological series
D: Average time series
A: Period series
B: Time-point series
C: Chronological series
D: Average time series
举一反三
- at the end of a period of time or a series of events
- Which of the following conclusion is wrong? A: For the target with better effect value, the time series of situation effect with attenuation must be given priority; B: For the target with smaller value, the increasing situation effect time series should be excluded in the discussion; C: For the target with moderate effect value, the time series of effect of growth situation is discussed; D: For the target with moderate effect value, the time series of effect of attenuation situation is discussed;
- Time series and variable series（ ）. A: Are arranged in chronological order B: Are arranged according to the size of the variable value C: The former is arranged according to chronological order, the latter is arranged according to the size of the variable value D: The former is arranged according to the size of the variable value, the latter is arranged according to the chronological order
- 如果定义函数计算调和级数之和;series::Int-Float用series n表示[img=242x25]1803c461290438b.png[/img]，那么如何用series 表示[img=191x25]1803c46130ff710.png[/img]？ A: series n-1 B: series (n-1) C: series 1 + series 2 + ... + series (n-1) D: series (1+1/2+..+ 1/n-1)
- 中国大学MOOC: Speeches arranged _______ follow a time pattern. They may narrate a series of events in the sequence in which they happened.