Data Analytics

statistics graphs

Resources

• Brilliant.org
• Coursera
• Udemy
• Packt

Learning

This section will focus on itemized bits of information from the Resources section. Primarily to help reiterate and practice or add to any topics that may be mentioned.

Charts

Bar

• Bar charts are best used for categorical data - data that falls into distinct groups, like occupation, food type, or geological data.

xychart-beta
    title "Sales Revenue"
    x-axis [jan, feb, mar, apr, may, jun, jul, aug, sep, oct, nov, dec]
    y-axis "Revenue (in $)" 4000 --> 11000
    bar [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
    line [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]

Pie

pie title Pets adopted by volunteers
"Dogs":386
"Cats":85
"Rats":15

Histogram

Boxplot

• A boxplot, also known as a whisker plot, is useful for summarizing a distribution. In a boxplot, the middle line represents the median, and the ends of the ‘whiskers’ mark the minimum and maximum values.

Databases