Authentication and OAuth Libraries for implementing authentications schemes. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure, and start building your app without having to build an authentication system each time.

Weka algorithm A series of repeatable steps for carrying out a certain type of task with data. As with data structures, people studying computer science learn about different algorithms and their suitability for various tasks.

Specific data structures often play a role in how certain algorithms get implemented. AngularJS is popular with data scientists as a way to show the results of their analysis. As the cost of computing resources dropped, the focus moved more toward statistical analysis of large amounts of data to drive decision making that gives the appearance of intelligence.

See also machine learningdata mining backpropagation Also, backprop.

An algorithm for iteratively adjusting the weights used in a neural network system. Backpropagation is often used to implement gradient descent. An equation for calculating the probability that something is true if something potentially related to it is true.

The theorem also makes it easier to update a probability based on new data, which makes it valuable in the many applications where data continues to accumulate.

Named for eighteenth-century English statistician and Presbyterian minister Thomas Bayes. See also Bayesian networkprior distribution Bayesian network Also, Bayes net.

These graphs aid in performing reasoning or decision making in the face of uncertainty. Variance is the tendency to learn random things irrespective of the real signal Simultaneously avoiding both requires learning a perfect classifier, and short of knowing it in advance there is no single technique that will always do best no free lunch.

A key driver of this new ability has been easier distribution of storage and processing across networks of inexpensive commodity hardware using technology such as Hadoop instead of requiring larger, more powerful individual computers. The work done with these large amounts of data often draws on data science skills.

This is a discrete probability distribution, as opposed to continuous—for example, instead of graphing it with a line, you would use a histogram, because the potential outcomes are a discrete set of values.

As the number of trials represented by a binomial distribution goes up, if the probability of success remains constant, the histogram bars will get thinner, and it will look more and more like a graph of normal distribution.

See also normal distribution and Wikipedia on the chi-squared test and on chi-squared distribution. Deciding whether an email message is spam or not classifies it among two categories, and analysis of data about movies might lead to classification of them among several genres.

See also supervised learningclustering clustering Any unsupervised algorithm for dividing up data instances into groups—not a predetermined set of groups, which would make this classification, but groups identified by the execution of the algorithm because of similarities that it found among the instances.

See also correlation computational linguistics Also, natural language processing, NLP. A branch of computer science for parsing text of spoken languages for example, English or Mandarin to convert it to structured data that you can use to drive program logic.

Early efforts focused on translating one language to another or accepting complete sentences as queries to databases; modern efforts often analyze documents and other data for example, tweets to extract potentially valuable information.

See also GATEUIMA confidence interval A range specified around an estimate to indicate margin of error, combined with a probability that a value will fall in that range.

The field of statistics offers specific mathematical formulas to calculate confidence intervals.

For example, if you can express age or size with a decimal number, then they are continuous variables. In a graph, the value of a continuous variable is usually expressed as a line plotted by a function. The correlation coefficient is a measure of how closely the two data sets correlate.

A correlation coefficient of 1 is a perfect correlation. This value can also be negative, as when the incidence of a disease goes down when vaccinations go up.

A correlation coefficient of -1 is a perfect negative correlation. Always remember, though, that correlation does not imply causation.Mrs. Carpenter is the Executive Vice President and Chief Financial Officer of Drone Aviation Holding Corp.

(DRNE), formerly MacroSolve, Inc., with offices in Jacksonville, FL, Miami, FL and Tulsa, OK. - Go to top of page (index)- Educational Diagnostic tests Reading: Test of Early Reading Ability (TERA) Measures of the reading ability of young children age 3 years, 6 months - 8 years, 6 months (does not test the child's readiness for reading).

The relational model (RM) for database management is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in by English computer scientist Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations.A database organized in terms of the relational model is a relational database.

The fundamental operations of the relational algebra are simple operations involving one or two relations as their operands. A result of an operation may be further used as an operand in another operation.

The combined effects of a sequence of operations determine the final result When building a. I am just new to relational algebra probably a pre-step before learning SQL queries. Can you help me make the expressions of relational algebra expression using BASIC OPERATORS for each of the following queries.

Accounting (back to top) ACCT Principles of Accounting I: Credits: 3: Basic principles and procedures in accounting relating to the complete accounting cycle for both service and merchandising companies owned as sole proprietorships and as corporations.

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