frequency count

См. также в других словарях:

• Frequency capping — is a term in advertising that means restricting (capping) the amount of times (frequency) a specific visitor to a website is shown a particular advertisement. This restriction is applied to all websites that serve ads from the same advertising… …   Wikipedia

• Frequency synthesizer — A frequency synthesizer is an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator. They are found in many modern devices, including radio receivers, mobile telephones, radiotelephones, walkie… …   Wikipedia

• Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …   Wikipedia

• 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 counter — A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. Since frequency is defined as the number of events of a particular sort occurring in a set period of time, measuring it is usually… …   Wikipedia

• Frequency analysis — In cryptanalysis, frequency analysis is the study of the frequency of letters or groups of letters in a ciphertext. The method is used as an aid to breaking classical ciphers.this is wrong is based on the fact that, in any given stretch of… …   Wikipedia

• 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 — fre|quen|cy [ frikwənsi ] noun *** 1. ) uncount the number of times that something happens during a period of time: frequency of: Changes in sea temperature will increase the frequency of hurricanes. with increasing frequency (=more often):… …   Usage of the words and phrases in modern English

• 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

• count — 1. A reckoning, enumeration, or accounting. 2. To enumerate or score. Addis c. a quantitative enumeration of the red blood c., white blood c., and casts in a 12 hr urine specimen; used to follow the progress of known renal disease …   Medical dictionary

• frequency theory of probability — The view developed by Richard von Mises (1883–1953), in his Probability, Statistics, and Truth (1957; 1st German edn., 1928) that the probability of an event in a situation can be defined in terms of the frequency of occurrence of events of the… …   Philosophy dictionary