Introduction: Modern electronic devices such as PCs and video players allow users to easily switch the audio channel between stereo and mono in an instant. That said, a majority of us do not know the difference between the two, namely, mono and stereo audio. We will know more about this and will also see the […]
Example Underline a misspelled word with the <u> tag: <p>This is a <u>parragraph</u>.</p> Try it Yourself » Definition and Usage The <u> tag represents some text that should be stylistically different from normal text, such as misspelled words or proper nouns in Chinese. Browser Support Element <u> Yes Yes Yes Yes Yes Tips and Notes Tip: Avoid […]
Summary Example of Euro signs in Data View Some SPSS data files contain variables that reflect amounts of money such as revenue or expenses. If so, you probably want to display the correct currencies in data view as well as your output tables and charts. This tutorial quickly shows how to do just that. Creating […]
DO REPEAT is a command for running other commands repetitively.SPSS DO REPEAT is often used for looping over (possibly new) variables. VECTOR with LOOP is an alternative way for doing so. Introduction Suppose we have a variable containing values 1 through 4 and we’d like to dichotomize it for a regression analysis. (For some more background, see Creating Dummy Variables in SPSS.) […]
One of the many things we love about SPSS is how easily it’s customized and extended with powerful new features. For instance, creating your own toolbar is utterly simple and may save a lot of time and effort. With SPSS version 18, SPSS Extension Bundles were introduced: create completely new SPSS commands, build a menu dialog for them and easily share your […]
One of the best known charts is a simple bar chart containing frequencies or percentages. The easiest way to run it in SPSS is the FREQUENCIES command. This tutorial walks you through some options. We’ll use freelancers.sav throughout, part of which is shown below. Option 1: FREQUENCIES In most cases, a simple FREQUENCIES command is our best option because it takes multiple […]
Summary SPSS CORRELATIONS generates tables with Pearson correlations and their underlying N’s and p-values.* This tutorial quickly walks through its main options, using freelancers.sav for demonstrational purposes. User Missing Values Before running any correlations, we’ll first specify all values of one million dollars or more as user missing values for income_2010 through income_2014.* We’ll do so by running the following line […]
SPSS ALTER TYPE command is mainly used for converting string variables to numeric variables. However, it has other interesting applications as well. This tutorial quickly walks you through those, pointing out some pitfalls, tips and tricks along the way. You can follow along by downloading and opening holidays.sav but you do need SPSS version 16 or higher for using ALTER […]
SPSS System Missing Values SPSS User Missing Values Setting User Missing Values Inspecting Missing Values per Variable SPSS Data Analysis with Missing Values What are “Missing Values” in SPSS? In SPSS, “missing values” may refer to 2 things: System missing values are values that are completely absent from the data. They are shown as periods in data view. […]
Understanding SPSS variable types and formats allows you to get things done fast and reliably. Getting a grip on types and formats is not hard if you ignore the very confusing information under variable view. This tutorial takes away the confusion and puts you back in control. We encourage you to follow along with this tutorial by downloading and opening computer_parts. […]
Independent Samples T-Test SPSS Independent Samples T-Test Independent Samples T-Test Other SPSS T-Test Tutorials SPSS Paired Samples T-Test SPSS One Sample T-Test T-Test Background Tutorials Z-Scores – What and Why? What is a Dichotomous Variable?
The <script> Tag In HTML, JavaScript code must be inserted between <script> and </script> tags. Example <script> document.getElementById(“demo”).innerHTML = “My First JavaScript”; </script> Try it Yourself » Old JavaScript examples may use a type attribute: <script type=”text/javascript”>. The type attribute is not required. JavaScript is the default scripting language in HTML. JavaScript Functions and Events A JavaScript function is […]
This page contains some examples of what JavaScript can do. JavaScript Can Change HTML Content One of many JavaScript HTML methods is getElementById(). This example uses the method to “find” an HTML element (with id=”demo”) and changes the element content (innerHTML) to “Hello JavaScript”: document.getElementById(“demo”).innerHTML = “Hello JavaScript”; Try it Yourself » JavaScript accepts both double and single […]
Images can improve the design and the appearance of a web page. HTML Images Syntax In HTML, images are defined with the <img> tag. The <img> tag is empty, it contains attributes only, and does not have a closing tag. The src attribute specifies the URL (web address) of the image: <img src=”url“> The alt Attribute The alt attribute provides an alternate text for an […]
