#Statplus histogram how to#
#Statplus histogram software#
#Statplus histogram series#

Histograms make sense for continuous data since they are measured on a scale with many possible values. Histograms and types of data Continuous data: appropriate for histograms With some software, you can explore group differences in a single histogram, as is shown in the figures above. If there is a possibility of groups, you are likely to learn more about the data by creating separate histograms for each group. These graphs help identify an important consideration: whenever you create a histogram, think about whether or not there are groups in your data. However, it is harder to see the overall shape than in the first figure. You can still see the center, spread, and shape of the data.

#Statplus histogram software#

However, some software tools allow you to change the number of bins and bin starting points, which allows you to explore and better understand your data.įigure 2 shows the same data as in Figure 1 but with many more bars. With software, the bins are defined by the program. The bar height then shows the number of people in each decade. For example, to create a histogram for age in years, you might decide on bins by decade (0-10, 11-20, and so on).

With equal bins, the height of the bars shows the frequency of data values in each bin. Most of the time, the bins are of equal size. To generate a histogram, the range of data values for each bar must be determined. The bars represent the measured values for each category. The bars represent the number of values occurring within a range specified on the horizontal axis. Histograms do not have gaps between bars. Histograms are used with continuous data, while bar charts are used with categorical or nominal data. The key difference between histograms and bar charts is the type of data that is being plotted.

StatPlus 2007 is a powerful and flexible software solution that processes data to perform statistical analysis.What is the difference between histograms and bar charts? Statistical analysis program and spreadsheet.

Formulas Students and academic discounts. Powerful data processor (from sampling up to special transformations) Spreadsheet features : Reads Microsoft Excel/StatSoft Statistica/SPSS Charts - histograms, bars, areas, point-graphs, pies.

#Statplus histogram series#

Statistical features: Basic statistics:descriptive statistics,normality tests, T-Test/,Fisher F-test, correlation coefficients (Pearson,Fechner),covariation ANOVA (MANOVA,GLM, Latin and Greco-latin squares analysis) Nonparametric statistics: Tables Analysis chi-square test, rank correlations (Kendall Tau, Spearman R, etc.), comparing independent samples (Mann-Whitney U, Kolmogorov-Smirnov, Rosenbaum, Wald-Wolfowitz Runs Tests,Kruskal-Wallis ANOVA.) comparing dependent samples (Wilcoxon Test, Sign Test, Friedman ANOVA, Kendall's Concordance) Cochran Q Test Regression: Linear, polynomial, logistic, stepwise and Cox regression Survival Analysis: Probit-analysis, Cox regression Time series analysis:Moving Average, Auto Correlation and Partial AC, etc. This frees up intellectual urces for analyzing the results, rather than agonizing over who and how processed the data, and if any mistakes were made in the process.

#Statplus histogram how to#

While StatPlus 2007 is a 'heavy-duty' professional statistical analysis tool, the interface is so simple that even people who have no knowledge of statistics are capable of processing data, provided they know how to use PC and clear instructions are given. The range of possible applications of StatPlus 2007 is virtually unlimited - sociology, financial analysis, biostatistics, economics, insurance industry, healthcare and clinical research, probability calculations for lotteries and gambling operations - to name just a few fields where the program is already being extensively used. With StatPlus 2007, one gets a robust suite of statistics tools and graphical analysis methods that are easily accessed though a simple and straightforward interface.