Tutor vista offers Online tutoring

Tutor Vista stands for a revolution in tutoring. Now students have the opportunity to get online tutoring from highly qualified tutors 24/7, in almost any subject, such as Math, Chemistry, Physics, Biology and so on.

For a set monthly fee (currently there is an introduction offer of $49.99 the first month) the student will get unlimited tutoring in problem subjects to improve grades. The tutors at Tutor Vista are all going thorough a rigorous review process and a comprehensive training before getting assigned any students. This guarantees a high tutoring standard and tutor qualifications ranges from retired professors, to PhD and professionals with Master degrees.

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Popularity: 19% [?]

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Box plot for Excel 2007

Keywords: Boxplot, box plot, stem and leaf plots, Excel 2007, how to make

Version: Excel 2007

Dowload:

Since the previous entriesI have recieved quite a few questions about Box-plots in Excel 2007, so I decided I should describe one way to create decent looking box plots in Excel 2007. In my example I start with a set of data containing six samples with ten replicates each, and from this I want to create a box plot showing the extremes, median and the quartiles.

Box plot for Excel 2007

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Popularity: 100% [?]

47 Comments Posted in Excel
NanoCharts add-in development

As I decided to develop the NanoCharts (a concept more known as Microcharts or Sparklines) into an Excel add-in I’ve started by specifying features and functionality and came up with the following list:

  • Three different types of charts; bar, line and dot
  • Possibility to have data in rows or columns
  • Selectable chart color
  • Optional x-axis
  • Option to display last value as number

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    Popularity: 14% [?]

    5 Comments Posted in DevLog, Excel
    NanoCharts enables Excel In-Cell charts with Sparklines concept

    Keywords: Sparklines, MicroCharts, NanoCharts, In-cell graphing, mini charts, Excel

    Version: Tested on Excel 2003

    Download: NanoCharts demo (downloaded 1479 times)

    Sparklines, or Micro charts, a concept invented by graphic design guru Edward Tufte , compress large amounts of data into intense, word-sized graphics, like for example:

    NanoChart, Sparkline, MicroChart

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    Popularity: 11% [?]

    4 Comments Posted in Excel, News, Scripting
    Interpolate empty cells in Excel line charts

    Key words: Excel, interpolate missing data, line chart, skip empty cells

    Versions: Excel 2003, 2002 and 2000

    When you create a Line chart in Microsoft Excel, from data containing blanks cells you will notice that the line graph contains gaps for the missing data. Sometimes you may wish to plot missing data as interpolated and this can be achieved in two ways.

    Method 1

    In this method you tell Excel to plot empty cells as interpolated.by following these steps:

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    Popularity: 16% [?]

    4 Comments Posted in Excel