data science course singapore data science course singapore | Seite 28
Example of lagged variables
Number of VCRs sold in a month
Time
1
2
3
4
5
6
7
8
9
10
11
12
Original
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130
125
138
145
142
141
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157
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Lagged one step
123
130
125
138
145
142
141
146
147
157
150
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Lagged two steps
123
130
125
138
145
142
141
146
147
157