V. 1:2 (40-43): SIDEBAR: GLOSSARY
Product Description
GLOSSARY
ROUNDING ERROR — When numbers are rounded many times. errors creep into the result. For example, 2.4+8.4=5.8 which rounds to 6, but if we round 2.4 and 3.4 we get 2+3=5.
TREND—A straight line pattern to prices. This may be clouded by price variations above and below the trend line.
AUTOREGRESSIVE—One today in terms of past days. The atuoregressive part of an ARIMA model uses previous days prices to predict today's price. The "previous days" could be just yesterday, or yesterday and the day before yesterday etc.
ROUNDING ERROR — When numbers are rounded many times. errors creep into the result. For example, 2.4+8.4=5.8 which rounds to 6, but if we round 2.4 and 3.4 we get 2+3=5.
TREND—A straight line pattern to prices. This may be clouded by price variations above and below the trend line.
AUTOREGRESSIVE—One today in terms of past days. The atuoregressive part of an ARIMA model uses previous days prices to predict today's price. The "previous days" could be just yesterday, or yesterday and the day before yesterday etc.
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