frequency sample

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• Sample rate conversion — is the process of converting a (usually digital) signal from one sampling rate to another, while changing the information carried by the signal as little as possible. When applied to an image, this process is sometimes called image scaling.Sample …   Wikipedia

• Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample …   Wikipedia

• Frequency Of Exclusion — refers to the rate of occurrences where a group is excluded from a sample or study. The frequency of exclusion would attempt to define the percentage or rate that a specified group is under represented in a sample or study. Statistical study… …   Investment dictionary

• frequency — ► NOUN (pl. frequencies) 1) the rate at which something occurs over a particular period or in a given sample. 2) the fact or state of being frequent. 3) the rate per second of a vibration constituting a wave, e.g. sound, light, or radio waves. 4) …   English terms dictionary

• Frequency distribution — In statistics, a frequency distribution is an arrangement of the values that one or more variables take in a sample. Each entry in the table contains the frequency or count of the occurrences of values within a particular group or interval, and… …   Wikipedia

• Frequency probability — Statistical probability redirects here. For the episode of Star Trek: Deep Space Nine, see Statistical Probabilities. John Venn Frequency probability is the interpretation of probability that defines an event s probability as the limit of its… …   Wikipedia

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

• SAMPLE RATE — T&F The sampling rate, sample rate, or sampling frequency (fs) defines the number of samples per unit of time (usually seconds) taken from a continuous signal to make a discrete signal. For time domain signals, the unit for sampling rate is hertz …   Audio and video glossary

• Frequency (statistics) — In statistics the frequency of an event i is the number ni of times the event occurred in the experiment or the study. These frequencies are often graphically represented in histograms. We speak of absolute frequencies, when the counts ni… …   Wikipedia

• frequency — /ˈfrikwənsi / (say freekwuhnsee) noun (plural frequencies) 1. Also, frequence. the state or fact of being frequent; frequent occurrence. 2. rate of recurrence. 3. Physics the number of cycles, oscillations, or vibrations of a wave motion or… …  

• frequency — The number of regular recurrences in a given time, e.g., heartbeats, sound vibrations. [L. frequens, repeated, often, constant] best f. SYN: characteristic f.. characteristic f. f. at which a given neuron responds to the least sound intensity.… …   Medical dictionary