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Police Analyst | A new kind of law enforcement analysis

A new kind of law enforcement analysis. Mood’s Median Test. May 19, 2015. I recently wrote a post about calculating the median in Excel 2010. And the value of using the median as the measure of central tendency when dealing with heavily skewed data sets. Having laid that ground work I am now going to demonstrate the use of Mood’s Median Test. The first thing to notice is the extreme value in the December cell. Obviously something is wrong with one or more of the December values and we could go in and...

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Police Analyst | A new kind of law enforcement analysis | policeanalyst.com Reviews

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A new kind of law enforcement analysis. Mood’s Median Test. May 19, 2015. I recently wrote a post about calculating the median in Excel 2010. And the value of using the median as the measure of central tendency when dealing with heavily skewed data sets. Having laid that ground work I am now going to demonstrate the use of Mood’s Median Test. The first thing to notice is the extreme value in the December cell. Obviously something is wrong with one or more of the December values and we could go in and...

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Police Analyst | A new kind of law enforcement analysis | policeanalyst.com Reviews

https://policeanalyst.com

A new kind of law enforcement analysis. Mood’s Median Test. May 19, 2015. I recently wrote a post about calculating the median in Excel 2010. And the value of using the median as the measure of central tendency when dealing with heavily skewed data sets. Having laid that ground work I am now going to demonstrate the use of Mood’s Median Test. The first thing to notice is the extreme value in the December cell. Obviously something is wrong with one or more of the December values and we could go in and...

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aoristic.policeanalyst.com

Aoristic Crime Analysis | Police Analyst

This tool produces Month-of-Year. Charts using Jerry Ratcliffe's Aoristic Crime Analysis. Very briefly: an occurrence is distributed proportionally across time based on its known start and end times. Step 1. Prepare your data. In Excel create two columns. In the first column put the occurrence start datetimes and in the second column put the occurrence end datetimes. Step 2. Paste your data. Highlight all your data in Excel and copy and paste it into the text box. Don't include any column titles.

memorial.policeanalyst.com

National Inventory of Canadian Military Memorials

You can pan and zoom the map like a regular web map. If you click on one of the red dots you will be able to read the memorial's details. To switch between english and french please use the buttons above. In honour of Remembrance Day I have put together a browsable web map of the Government of Canada’s National Inventory of Canadian Military Memorials. I hope you find this project enlightening and I welcome any and all feedback through joseph.ryan.glover@gmail.com. To render each point on the map. I ...

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policeanalyst.com

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VBA – PoliceAnalyst.com

http://policeanalyst.com/tag/vba

Attention users of aoristic.policeanalyst.com. I have retired the web tool and replaced it with a downloadable Excel spreadsheet. Discussion and reasoning below. I recently had an email discussion with someone who was using my tool but wished they could have some software to do the work locally. I resolved to create an Excel version of the tool that would work in seconds like the web site. I have completed that work and the result is now available for download here: Aoristic v3.xlsm. Line 24, 25:. Next, ...

2

Medians and Excel Pivot Tables – PoliceAnalyst.com

http://policeanalyst.com/medians-and-excel-pivot-tables

Medians and Excel Pivot Tables. One of the issues with pivot tables in Excel 2010 (and earlier versions) is that it isn’t possible to calculate median using the Value Field Settings. In this post I am going to first extol the virtues of the median (again) and then demonstrate a formula for calculating the median in a cross tabulation. Why do we care about the median and why can’t we just use the mean? Have a look at these mean values, particularly Saturday. What is up with that? To calculate the median f...

3

Excel Tricks – PoliceAnalyst.com

http://policeanalyst.com/category/excel-tricks

Using SUBTOTAL for Dynamic Sums. This is a quick trick, but a real timesaver. Every day I encounter the situation where I have a filtered list of data and I want to sum up one of the columns. A simple example can be seen in the screen grab below, where I have some fictional officers across four platoons with their monthly ticket totals. Whoops, even though I filtered the Unit column down to just Platoon 1, the sum remains the same. You may be asking Why the 9? Get used to always using SUBTOTAL. If yo...

4

Police Analytics in HQ Magazine – PoliceAnalyst.com

http://policeanalyst.com/police-analytics-in-hq-magazine

Police Analytics in HQ Magazine. I wrote a Police Analytics article for the most recent issue of the OACP’s H.Q. Magazine. I tried to communicate the value of data to police services and how my Service has approached the challenge. This article was originally published in the WINTER 2014-15 issue of H.Q. Magazine, the official publication of the Ontario Association of Chiefs of Police. Business Intelligence and Police Analytics. Challenges for a New Unit. Lessons Learned and the Future. Change is an iter...

5

PoliceAnalyst.com – Page 2

http://policeanalyst.com/page/2

Performing a Statistical T-Test in Excel. How do we go about demonstrating that the two quarters have real, non-random differences in the number of daily motor vehicle collisions? The first thing we do randomly select from the first and third quarters 30 different days worth of MVC counts. The screen grab below shows my randomly selected MVC data. First, using the Add-In. So what are we looking at? Second, the manual way. First, have a look at this screen shot because it will help to explain each of the ...

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crimeanalysthotspot.com

Helpful Links | The Crime Analyst Hotspot

http://www.crimeanalysthotspot.com/helpful-links

The Crime Analyst Hotspot. The International Association of Crime Analysts. There is not enough that can be said about the IACA. It is a great resource for every analyst and joining should be one of the very first steps you take as an analyst. The site archives past discussions between analysts regarding a myriad of issues, recordings of past webinars, a contact list of every analyst in the Association, and many other things. 10 Steps to Optimize Your Crime Analysis. Center for Problem-Oriented Policing.

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policeanalyst.com

Police Analyst | A new kind of law enforcement analysis

A new kind of law enforcement analysis. Mood’s Median Test. May 19, 2015. I recently wrote a post about calculating the median in Excel 2010. And the value of using the median as the measure of central tendency when dealing with heavily skewed data sets. Having laid that ground work I am now going to demonstrate the use of Mood’s Median Test. The first thing to notice is the extreme value in the December cell. Obviously something is wrong with one or more of the December values and we could go in and...

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Police Analytics is dedicated to offering affordable solutions to law enforcement agencies and corporate security departments. Welcome to the Police Analytics Online Learning Portal. Http:/ www.policeanalytics.com/. Did You Know that your browser is out of Date? For an optimized myicourse site experience, upgrade your browser or install the latest version of any other new-generation browser. Simply click on the icon to download. Are you sure you wish to delete this item? Information on new site changes.

policeandcommunity.com

Understanding and Rebuilding Police and Community Relations | A different point of view on police/community relations

Understanding and Rebuilding Police and Community Relations. A different point of view on police/community relations. What is needed to build better police and community relations. December 10, 2014. Police and community relations. Miami, FL 1980. Ferguson, MS 2014. What is needed to build better police and community relations. Police and community relations. Proudly powered by WordPress.

policeandcommunity.org

Home - Police and Community

An archive of academic and public policy research on policing. Floyd v. NYC. Ligon v. NYC. Davis v. NYC. Welcome to the P&C Library. An archive of academic and public policy research on policing. WHITE PAPER: Neighborhood Policing: A Path to Safe, Respectful and Effective Policing. Center on Race, Crime and Justice / John Jay College of Criminal Justice. STOP, QUESTION, AND FRISK POLICING PRACTICES IN NEW YORK CITY:. Center on Race, Crime and Justice / John Jay College of Criminal Justice. Of the 520 cho...

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