cross validation covariance what is
Cross-Validation, Covariance, Correlation, Continuous Variable, Confidence Interval, Computational.

# Definitions for developers starting with letter C

• Test Square Chi definition What is beginning with a “k”) is a Greek letter, and chi-square is “a statistical method used to test whether the classification of data can be
• Classification definition What is more categories an item falls under; a classic machine learning task. Deciding whether an email message is spam or not classifies it among
• Clustering definition What is up data instances into groups—not a predetermined set of groups, which would make this classification, but groups identified by the
• Coefficient definition What is as a multiplier to a variable or unknown quantity (Ex.: x in x(y + z), 6 in 6ab”[websters] When graphing an equation such as y = 3x + 4
• Linguistics Computational definition What is A branch of computer science for parsing text of spoken languages (for example, English or Mandarin) to convert it to structured data that
• Interval Confidence definition What is indicate margin of error, combined with a probability that a value will fall in that range. The field of statistics offers specific
• Variable Continuous definition What is infinite number of values, typically within a particular range. For example, if you can express age or size with a decimal number, then
• Correlation definition What is as between two sets of data.”[websters] If sales go up when the advertising budget goes up, they correlate. The correlation coefficient is
• Covariance definition What is two variables whose values are observed at the same time; specifically, the average value of the two variables diminished by the product of
• Validation Cross definition What is name given to a set of techniques that divide up data into training sets and test sets. The training set is given to the algorithm, along