Data Base Search Results

How To: Opt Out of Ad Tracking on Android

Most of the free apps you'll find on the Play Store have ads. These ads are personalized — in other words, they're for products and services Google believes you might be interested in. The way Google knows about your interests is by collecting data from your smartphone, including your location and app usage. While personalized ads have their advantages, the collection of data is unsettling.

News: Experiments in Stock Market 3D Data Visualization on the HoloLens

HoloLens developer Michael Peters of In-Vizible has released quite a few videos since receiving his HoloLens last year. Many of his experiments are odd and funny, but some include serious potential approaches to data visualization. In the videos embedded below, you'll specifically see stock market information beautifully rendered in different ways to help understand the data.

How To: Enter Excel data into cells with drop down menus

In this video tutorial, viewers learn how to create drop down menus in Microsoft Excel. This task is very easy, fast and easy to do. Begin by highlighting a desired cell. Then click on the Data tab and click on Data Validation under Data Tools. When the Data Validates window opens, click on the Error tab and deselect "Show error alert after invalid data is entered". Then click on OK. Now simply type in the data into the selected cell. This video will benefit those viewers who use Microsoft Ex...

How To: Use the Advanced Filter tool to extract data in Excel

Whether you're interested in learning Microsoft Excel from the bottom up or just looking to pick up a few tips and tricks, you're in the right place. In this tutorial from everyone's favorite digital spreadsheet guru, ExcelIsFun, the 19th installment in his "Highline Excel Class" series of free video Excel lessons, you'll learn about using Advanced Filter to extract data from an Excel List/Table/Database. See these 7 Advanced Filter examples:

How To: Interpret a standard deviation

A rough definition of standard deviation is that it is a measure of expressing the observed variations about the average in statistical data i.e. by how much do the observed values vary from the mean. This video continues from the previous solved example and demonstrates the mathematical interpretation of the standard deviation that was calculated. We begin with stating the mean and standard deviation values and then calculating the upper and lower bounds of the data based on the standard dev...

How To: Create a quantitative freq. distribution in MS Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 24th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create quantitative data frequency distributions with pivot tables. See how to create the correct unambiguous labels ...

TIDAL 101: How to Adjust the Quality of Streaming or Downloaded Music

Thanks to their partnership with Tidal, over 30 million Sprint customers can access Hi-Fi audio on the go. And the Jay-Z-owned music service isn't limited to just Sprint customers — for $19.99/month, anyone can listen to lossless audio from their favorite artists. But streaming uncompressed audio files uses a lot more data than standard quality, so how do you use Tidal without hitting your data cap?

How To: Use Excel data analysis filter & dynamic ranges

We're on sheet, tab, filter. We want to talk about filter, but we also want to talk about an Excel table or list. It is simply a data set with field names at the top, records in rows, no blanks anywhere and no other data sets touching this data set. When we convert to a table, it does a lot of amazing things. The new keyboard shortcut is "Ctrl T". If data is set up correctly, it will work. Click Ok. You can build a function based on a column of data, i.e. "Alt =" which is the shortcut for sum...

How To: Build a simple Core Data application in Mac OS X

Core Data is a powerful data-management framework introduced with Mac OS X v10.4 Tiger. When you take advantage of Core Data, it slashes the amount of custom code you need to write in order to manage application data. Opening, saving and undo management can all be handled by Core Data, freeing you to concentrate on creating unique features for your application. This video tutorial, which presents a general introduction to using Core Data, will walk you through the process of building a simple...

How To: Group quantitative data in Microsoft Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 32nd installment in his "Excel Statistics" series of free video lessons, you'll learn how to group when the quantitative data are whole numbers, integers or discrete data and how to group when the quantitative ...

How To: Create a two-variable data table in Microsoft Excel

New to Microsoft Excel? Looking for a tip? How about a tip so mind-blowingly useful as to qualify as a magic trick? You're in luck. In this MS Excel tutorial from ExcelIsFun, the 255th installment in their series of digital spreadsheet magic tricks, you'll learn how to create a two-variable data table in Excel for what-if analysis. See the PMT function and learn about the formula equivalent to a data table.

How To: Filter data using MS Excel 2010's PivotTable slicer

This video shows how to make a quick pivot table data filtering by using Excel 2010's ‘Slicer’ functionality. ‘Slicer’ delivers enhanced visual filtering method to allow you to get the data you need more quickly. When selecting a cell in the pivot table you will find ‘Slicer’ in the filter group of the ‘Insert’ tab. Click on ‘Slicer’ and an 'Insert Slicer' dialogue shows up where you can pick particular data fields from the slider list. Once you click on ‘OK’, the ‘Slicer’ objects with filter...

How To: Completely erase a computer hard drive to remove all private data

Data thieves don't have to be programming wizards to get their hands on your personal information. They often find hard drives that contain financial and other sensitive data at flea markets, charity shops, the city dump—even on eBay. In this video tutorial, PC World explains how to completely erase sensitive data from old drives before recycling or discarding them. Wipe your old hard drives with this how-to.

How To: Unroot a Motorola Droid phone and restore it to stock settings

The Motorola Droid is getting a little long in the tooth, but it is still a remarkably capable phone with full keyboard, which makes it almost unique among it's Android-based competition. If you've rooted your phone (good for you!) and for some reason want to go back to the stock configuration that your phone was in when you took it out of the box, this video will show you how to do it. One good reason is if you want to update your phone's firmware, which will not work if you phone is rooted ...

How To: Calculate standard deviation

Looking to find the standard deviation of your set of values? Standard deviation quantifies how diverse the values of your data set are, and is useful in determining how different your numbers are from each other.

How To: Plot data with Microsoft Excel's REPT & COUNTIF tools

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 27th installment in his "Excel Statistics" series of free video lessons, you'll learn how to create a quantitative data dot plot chart using the REPT and COUNTIF functions.

How To: Cross tabulate categorical data in Microsoft Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 16th installment in his "Excel Statistics" series of free video lessons, you'll learn how to cross tabulate & do percentage cross tabulation for categorical data using a pivot table (PivotTable).

How To: Cross tabulate categorical data with formulas in Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 17th installment in his "Excel Statistics" series of free video lessons, you'll learn how to cross tabulate & do percentage cross tabulation for categorical data using formulas rather than pivot tables.

How To: Work with nominal, ordinal & interval scale in Excel

If you use Microsoft Excel on a regular basis, odds are you work with numbers. Put those numbers to work. Statistical analysis allows you to find patterns, trends and probabilities within your data. In this MS Excel tutorial from everyone's favorite Excel guru, YouTube's ExcelsFun, the 10th installment in his "Excel Statistics" series of free video lessons, you'll learn how about data sets and the nominal, ordinal, interval and ration scales/levels of measurement and see two Pivot Tables that...