Click here to Login








Covariance

by Stefan Kroscen, 4931 days ago
Share |






Calculates the covariance of two numeric arrays. Similar to the covariance function in excel. The following description is taken from ehow:

Covariance is a measurement of how related the variances between two variables are. If the two variables both tend to increase together, it is a positive covariance, while if one tends to increase when the other decreases, it is a negative covariance. Zero covariance would indicate that the two variables are independent of each other. A high covariance, either positive or negative, suggests a correlation worth investigating but does not indicate causation.

Read more: How to Calculate Covariances | eHow.com http://www.ehow.com/how_5208932_calculate-covariances.html#ixzz1IVtwtJyw

Examples:
To chart the covariance of the change in DIA and SPY over the past 90 days, you could use:

Plot(covariance(Perf(GetSeries("DIA", close), 1), Perf(GetSeries("SPY", close), 1),2), "Covariance DIA SPY", colorLime|55|colorLime|64|0, ChartBar, StyleOwnScale);



Share This ->
Share |


You have to log in to bookmark this object
What is this?
Additional Information




Type: Trading Indicator

Object ID: 940


Country:
All

Market: All

Style:
Technical Analysis

Reviews
You must log in first

Join now
and get instant access for free to the trading software, the Sharing server and the Social network website.
Click here


Related objects

Empty

Number of reviews
Click to add a review
Average rate
Click to rate this item
Number of times this object was downloaded
Number of rates the current object received
Report an object
if you can't run it for example or if it contains errors
Click to report this object

Technical Analysis


Fundamental Analysis



Random Blog Posts

How to Quickly Create Fundamental Scans

Download Trading Data using the Post-Script

Download Trading Data using the Pre-Script

Download Trading Data using the URL-Script

Trading Items: Data Download using .Net Scripts

Adding Trading Indicators and Formulas to a Chart

How to Download and Use Fundamental Data

QuantShare Version 2.1.2 - Trading Software

Show All

Number of reviews
Click to add a review
Average rate
Click to rate this item
Number of times this object was downloaded
Number of rates the current object received
Report an object
if you can't run it for example or if it contains errors
Click to report this object






QuantShare
Product
QuantShare
Features
Create an account
Affiliate Program
Support
Contact Us
Trading Forum
How-to Lessons
Manual
Company
About Us
Privacy
Terms of Use

Copyright © 2024 QuantShare.com
Social Media
Follow us on Facebook
Twitter Follow us on Twitter
Google+
Follow us on Google+
RSS Trading Items



Trading financial instruments, including foreign exchange on margin, carries a high level of risk and is not suitable for all investors. The high degree of leverage can work against you as well as for you. Before deciding to invest in financial instruments or foreign exchange you should carefully consider your investment objectives, level of experience, and risk appetite. The possibility exists that you could sustain a loss of some or all of your initial investment and therefore you should not invest money that you cannot afford to lose. You should be aware of all the risks associated with trading and seek advice from an independent financial advisor if you have any doubts.