4 Unique Aspects Of Prism

GraphPad Prism is very different than other scientific graphing programs. While using Prism, Explore these four unique aspects of Prism.

Organised Data Tables:

  • Formatted data tables simplify graphing: Unlike spreadsheet programs, and other scientific graphing programs, Prism’s data tables are structured or formatted. Whenever you create a new data table, choose one of seven table types. This makes it much easier to create appropriate graphs and to choose suitable analyses.
  • Enter SD or SEM values computed elsewhere: If you computed error values elsewhere, enter them onto labeled (SD or SEM) subcolumns. Prism’s analyses (i.e. t-test, ANOVA, regression) will take into account the SD (or SEM) and sample size.
  • Create error bars from raw data: Enter the raw data (i.e. triplicates), and Prism will automatically compute and plot the error bars. You can instantly switch between plotting the raw data, or plotting mean with SD, SEM, confidence interval or range.
  • Fit a family of curves at once: Place data for multiple data sets side-by-side on an organized data table, and fit them all at once. You can fit the same model separately to each data set, use global nonlinear regression to share parameter values among data sets, or fit different models to different data sets.
  • Easily handle missing and excluded values: Using command on the View menu (or via right-clicking, or a toolbar button) exclude selected values. Excluded values show on the data table in blue italics but are omitted from analyses and graphs. You can also leave a cell blank to show that its value is missing. Prism treats missing and excluded values identically, and never treats a missing or excluded value as if you entered zero.
  • Computed values are kept separate from raw data: Prism includes built-in analyses to transform or normalize your data, or to subtract (or divide by) a baseline. Prism leaves your raw data alone and places the calculated values on results tables. Raw data tables have a black grid. Results tables have either Green grids (when they can be analyzed further or graphed) or red grids. You’ll never confuse raw data with calculated results. You’ll never wonder how values were computed.

Everything is hot-linked:

Prism links data to results,  graphs and layouts. It also lets you copy data or results from one part of Prism and paste link onto a data table.  This has four advantages.
  • When you fix a mistake in data entry, the results and graphs are automatically updated.
  • If you replace the data, you will get new graphs and analyses of the new data.
  • When you open a Prism file, you can retrace every step of every analysis, and review (or change) any of the choices. You’ll never see a curve or a P value and wonder how it got there.
  • After you’ve polished the analysis and graphing steps with data from one experiment, you don’t have to repeat all those steps for a repeat experiment. Prism provides several ways to instantly analyze and graph a repeat experiment, without repeating any tedious steps and without requiring any scripting or programming.

A complete record of your work:

  • Annotate your experiments with floating notes
  • Record experimental details in Info tables
  • Use Info tables to record dates, lot numbers, concentrations, etc. These values can be used as constants when transforming or analyzing data
  • Highlight sheets you want to return to
  • Highlight the pages that you want to review, or want a colleague to look at. Choose a different color highlight for different purposes.
  • Change the background color of selected data values or results
  • Select any cell or range of cells in data tables or results and apply a background color.
  • Save to the cloud with LabArchives

Help you learn data analysis:

  • Understandable analysis dialogs: Prism presents analysis choices in clear language, and avoids statistical jargon.
  • Statistical help when you need it: Consult Prism’s comprehensive online help to review the basic principles of data analysis, and to understand your analysis choices.
GraphStats Technologies, the official authorised distributor of GraphPad Prism for India and the MEA region. Now you can purchase Graphpad Prism in Indian rupees with a GST invoice for compliance, flexible credit terms, local tech support, and claim your input tax credits in India with GraphStats.

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