computer science

NCSS (statistical software)

NCSS (statistical software) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand NCSS (statistical software) rather than just read about it. In short: NCSS is a statistics package produced and distributed by NCSS, LLC. Created in 1981 by Jerry L.

Key takeaways

NCSS (statistical software) belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect NCSS (statistical software) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NCSS (statistical software) from memory before moving on to harder problems.

Reference excerpt

NCSS is a statistics package produced and distributed by NCSS, LLC. Created in 1981 by Jerry L. Hintze, NCSS, LLC specializes in providing statistical analysis software to researchers, businesses, and academic institutions. It also produces PASS Sample Size Software which is used in scientific study planning and evaluation. The NCSS package includes over 250 documented statistical and plot procedures. NCSS imports and exports all major spreadsheet, database, and statistical file formats.

Major statistical topics in NCSS Analysis of Variance Appraisal Methods Charts and Graphs Correlation Cross Tabulation Curve Fitting Descriptive Statistics Design of Experiments Diagnostic Tests Forecasting General Linear Models Meta-Analysis Mixed Models Multivariate Proportions Quality Control Regression Analysis Reliability Analysis Repeated Measures ROC Curves Survival Analysis Time Series Analysis T-Tests

See also List of statistical packages Comparison of statistical packages

References

External links Official NCSS Homepage NCSS Documentation NCSS in the cloud

Further reading Dawson, Beth (2004). Basic & Clinical Biostatistics (4th ed.). United States: Lange Medical Books/McGraw-Hill. ISBN 978-0071410175.

Worked examples

Example 1 — a first encounter with NCSS (statistical software)

Start with the simplest possible case. Write down what NCSS (statistical software) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to NCSS (statistical software) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about NCSS (statistical software) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of NCSS (statistical software)

In research: NCSS (statistical software) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses NCSS (statistical software) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: NCSS (statistical software) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Proprietary software, Regression and curve fitting software, Time series software, so understanding it makes those chapters shorter.
In everyday life: Look for NCSS (statistical software) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study NCSS (statistical software) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NCSS (statistical software) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain NCSS (statistical software) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NCSS (statistical software) in simple terms?

NCSS is a statistics package produced and distributed by NCSS, LLC. Created in 1981 by Jerry L.

Why does NCSS (statistical software) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study NCSS (statistical software)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on NCSS (statistical software).