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histograph

Published on Nov 21, 2015

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PRESENTATION OUTLINE

1.

HISTOGRAMS

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2.

HISTOGRAMS AND YOU

  • in statistics a histogram is a graphical distribution of data
  • it is an estimate of probability distribution of a continuos variable and was first introduced by Karl Pearson
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3.

WHAT ARE THEY USED FOR

  • their purpose is...
  • to roughly assess the probability distribution of a given variable by...
  • depicting the frequencies of observation occurring in certian ranges of values.
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4.

HISTOGRAMS

  • histograms are used to plot the density of data and often for density estimation
  • estamating the probability density function of the underlying variable
Photo by xmodulo

Eric Och