词汇 | histogram |
释义 | histogram noun[ C ] mathematics specializeduk /ˈhɪs.tə.ɡræm/ us /ˈhɪs.tə.ɡræm/ a mathematical picture that uses vertical columns of different heights to show ranges of weight, height, time, etc. or frequencies(= how many times something happens). A histogram does not usually have spaces between the columns: (同 bar chart) A histogram looks similar to a bar chart. Figure 2 is a histogram of the heights of all the children in the class. Compare bar chart Nazarii/iStock/Getty Images Plus/GettyImages Draw a histogram of the data. Another difference between histograms and bar charts is that in the former the bars have no gaps between them. From the scale on the horizontal axis of a histogram you can see the range of values that the variable takes. Tables, graphs & diagrams abscissa asymptote asymptotic bar chart bar graph block graph coordinate diagram flowchart graph graph paper Mind Map normal distribution organigram pictogram replot scatter diagram tabular tabulate vertical axis histogram | American Dictionaryhistogram us/ˈhɪs·təˌɡræm/ a type of graph (= drawing) that shows how many items fall within each group histogram | Business Englishhistogram noun[ C ] GRAPHS & CHARTSuk /ˈhɪstəɡræm/us a type of graph that uses rectangles of different lengths, and often different widths, to show the number or rate of something within different ranges: The allocation of labour to activities can be plotted as a histogram which will invariably show peaks and troughs. Compare bar chart Examples of histogramhistogram Each bar of the histogram is a ' bin ' representing the number of spikes within a given time-frame : in all experiments each ' bin ' represents 1 second. Unlike the 2 test, which requires minimum counts in each histogram cell, there are no limiting conditions for the extreme-value test. Letters in parentheses reference the cells used as examples displayed in conventional histograms shown in the previous figure. Double-peaked histograms of velocity fluctuations imply that the velocity has two preferred states. The photon counting histogram in fluorescence fluctuation spectroscopy. The second row of panels (b, f) presents histograms of numbers of species for temporal concentration. For each of four varieties, histograms depict the percentages of sprouted grains in intact, partially after-ripened spikes after seven days' misting with water (see text). The function histogram draws a histogram, with the width of each bar being 0-5 and the heights given in the list of numbers. Figure 6 shows typical cumulative histograms corresponding to the case of flow thought to be fully seeded with nuclei. At the same time, the histograms become wider as one moves from left to right, indicating that the estimated impact becomes less certain. A note histogram is also maintained to determine a tonic. For each component, its outer histogram is subtracted from the corresponding inner histogram, with negative values forced to zero. Medians and histogram peaks agreed well, however, and so median responses are adopted here to characterize typical responses from within distributions. At the intersection of columns and rows, a histogram is presented. Using this simple rejection sampling criterion, the likelihood of the variable value ranges is obtained from the generated histogram. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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