Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Yarilet Perez is an experienced multimedia ...

The correlation function is a useful signal-analysis tool that engineers often overlook. Its formidable equation, which you have probably not thought about since your undergraduate signals and systems ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Causation and correlation may sound alike but are very different. The former means the root of subsequent events, while the latter refers to an actual or apparent relationship between trends in which ...

In today’s interconnected world, network management is critically important. Those who maintain the network need to quickly pinpoint and fix any problem, whether it’s a malfunctioning mail daemon or a ...

Bitcoin (BTC) has historically moved in the opposite direction of the U.S. Dollar Index (DXY), which gauges the greenback's exchange rate against major fiat currencies, including the euro. The ...

Bitcoin’s reduced tendency to move in tandem with U.S. stocks has refocused analysts on a correlation that’s suddenly strengthening: the cryptocurrency’s connection to gold. The two assets’ merging ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Yarilet Perez is an experienced multimedia ...