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93 posts tagged with stats.

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## Do I need to crash a high school stats class?

Where do English majors go to learn key principles behind

**deriving mathematically sound meaning from data**? I worked for years as a digital editor. Now I'm a "content strategist," which means I'm responsible for proving my new strategy increases reader engagement via different metrics like UVs, shares, attention time, average story finish rate, etc. I'm very familiar with platforms like Google Analytics and Chartbeat. But I want to learn how to see patterns in them there numbers, and I NEED to make sure my insights are mathematically accurate. How can I most efficiently do that without getting a brain transplant? (Example below.) [more inside]## What Do I Do With All This Data?

I have a research project involving about ~90 subjects in two (self-selected) groups. I have collected a number of variables about these subjects (from public sources), and now I would like to do some statistical tests to say whether these variables are significantly correlated with membership in one group or the other. How do I do this? I have a basic knowledge of R and access to Stata 14. [more inside]

## And then the kangaroo said, "did you bring the vitamins?"

Years ago my college roommate took a statistics course. In the textbook was a small, confounding cartoon that appeared to make no sense but was hilarious in its absurdity. I would like to know about that cartoon. [more inside]

## Turning radius and other stats on moving trucks?

Trying to track down some information for work. The UHaul et cetera sites give very cursory information on the inside dimensions of their trucks, but nothing on overall sizes, wheel base, et cetera. Anyone know where I can track this info down? I'm planning on emailing the various companies but am not super-hopeful on that and looking for alternative sources as well.

## Help me not screw up teaching my students about p-values

I am a TA in an introductory college biology lab. Soon, I have to teach a class of mostly freshmen about t-tests and p-values in conjunction with a field experiment that they are conducting and on which they will have to write a report. I want to make sure I do this rightâ€”help me! [more inside]

## You want to know what's hard? A web counter. Do you know how to do it?

I have OS X Server 10.9, and I'll be using YUI's Pure to create a lovely responsive page/website but I need a counter of the downloaded files on the page. I also want to show the states of page access.

## Data Analyses That Don't Reply On P-Scores?

Long story short, I am a researcher who vehemently disagrees with the reliance on p-values to define significance.
I am looking for fields of data analysis that place less emphasis on p-values. Is there such a thing?

## Where can I bulk-download NBA box scores and stats?

I'm looking for every box score my favorite NBA team played in for this year and last. Where can I go to download this data? [more inside]

## OkCupid Blog RIP...

So I take it that the OkTrends blog was killed off after Match bought OkCupid. Where can I now get my regular fix of really interesting statistics presented at a level that the lay person can understand? (I already know about Nate Silver and xkcd's What If.)

## How much will SEM model fit vary if I only change the final variable?

I have five structural equation models that are identical except for the final outcome variable. Should I expect the model fit statistics to vary more than negligibly? [more inside]

## Should I go to grad school for a stats PhD, change jobs, orâ€¦?

Feeling a little stuck in my current job; unsure if I should go for the PhD or cross it off my list and change jobs. [more inside]

## I can say with 99% confidence that this class is killing me

I'm struggling hard in my statistics class right now. Some of it comes from not grasping the concepts, but a bigger part is the ridiculous level of anxiety I've developed about my grades, and catastrophizing about what a low grade means. Help me attack both aspects of the problem. [more inside]

## Stats: is a set of values within a normal range?

I'm trying a analyse a set of biological data for a research project and I'm having trouble finding the appropriate statistical tests to use. [more inside]

## Fallacies and Errors in Inferential Statistics

I have recently been introduced to the concept of pseudoreplication as a mistake that people often make when using inferential statistics to evaluate treatment outcomes. My field (evolutionary and conservation biology) makes heavy use of inferential statistics, including techniques that are vulnerable to pseudoreplication, yet nowhere in my formal education have I been taught about how poor experimental design and lack of statistical rigor can lead to fallacies like this. My personal statistical proficiency is poor, but I am working to remedy that. To that end, could folks help me by identifying and ideally explaining whatever other potential pitfalls you can think of, and explaining how they can be avoided through careful experimental design and data-analysis?

## Educate me on these crime statistics

The Wikipedia page on statistics about rape shows a very high crime rate for countries like UK, US and Australia in stark contrast to, say, India. The gap can't be explained simply by under-reporting, as that exists in all these countries (even assuming different rates of under-reporting). Is it because these countries have different definitions of rape? Or something else? [more inside]

## Help! Stats!

Help with data analysis- Need an alternative to logistic regression to evaluate the individual contributions of highly correlated variables to outcome on a dichotomous variable. [more inside]

## How many pageviews?

I have a blogger/blogspot blog, and I get very different information about my stats from the "stats" page, Google Analytics, and statcounter.com. Who is right? [more inside]

## Help me help her.

Nutshell: I need a reputable, authoritative source of data about how many times the average victim of abuse/domestic violence/intimate partner violence returns to the relationship. [more inside]

## Looking for statistics on how long visitors will spend looking for information on a website

Looking for statistics on how long visitors will spend looking for information on a website [more inside]

## Looking for plugins/software to install stats/analytics for Multisite WordPress

Looking for plugins/software to install stats/analytics for Multisite WordPress (v3.3.1) so that the clients can see the stats for their own site. Google Analytics is already under consideration, but we want to look at other options [more inside]

## When calculating a statistical average, is it reasonable to remove outliers?

When calculating a statistical average, is it reasonable to remove outliers? [more inside]

## The Bill James of Soccer

Who is the Bill James of soccer? Looking for good soccer statistics analysis that is beyond what others are doing and is considered groundbreaking.

## How to find a college major in stats

Trying to find somewhere to discover a college student with a major in statistics for some odd job work. Anyone have a recommendation on where to start posting to find someone?

## How to transform random variables from a non-normal distribution to a normal distribution?

How would I find a function that transforms random variables from an non-normal probability distribution to a normal distribution? [more inside]

## Help me find this data visualization blog.

Good Data and Visualization Blogs? In particular, I recall one based out of an analytics company in Chicago (that maybe uses Python?) that discussed an automated dimensionality reduction using some sort of regression technique.

## Looking for screen resolution breakdown by user demographics.

Looking for screen resolution breakdown by user demographics. [more inside]

## Where can I find a simple, step-by-step guide to SAS libraries, importing/exporting, and the SAS Explorer window?

Where can I find a simple, step-by-step guide to SAS libraries, importing/exporting, and the SAS Explorer window? [more inside]

## Sound notification for Wordpress hits?

Realtime sound notification of Wordpress blog hits? [more inside]

## Unexplained increase in Flickr visitors

My Flickr account is totally not popular, and for good reason. It's mostly just a bunch of photos for my parents to look at and I average about 1 visit per day at best.. I looked at my stats recently and, for some reason, 522 people looked at photos, mostly referred from Flickr. WTF? How do I figure out what happened?

## Can I get a total players online count?

Are there sites which track the number of players in different online games? [more inside]

## R/S-Plus: How can I merge two dataframes of different lengths?

Merging datasets in R. I seem to have forgotten how to do some things. [more inside]

## How many people are talking about #X?

Is there a (preferably free) service that lets you get a count of number of tweets by hashtag for a specified date range? Being able to also get a number of unique users tweeting about a hashtag would also be helpful.

## These numbers, they vibrate?

How do I become a stats and data whiz? [more inside]

## How can I get I/O stats for a particular disk in OS X?

How can I get I/O stats for a particular disk in OS X? [more inside]

## Just a bunch of points in time

[Geek Filter] I'm trying to figure out a way to take a MIDI file and use the pitch/duration information as data points to create a graph. [more inside]

## How can someone guess the betting lines for a sporting event?

How does one guess sports betting odds, or determine at what point to place a bet on a sporting event? [more inside]

## Picking a Perfect Final 4

What % of NCAA tourney brackets entered correctly picked the remaining teams that currently make up the Final 4? [more inside]

## Is there a way that I can find out approximately how many 1st generation iPhones are still in service?

Is there a way that I can find out approximately how many 1st generation iPhones are still in service?

## Turns out our top referrer is Zombo.com

What are best enterprise level Web Analytic / Stat programs that work with IIS and Apache sever logs? [more inside]

## Help me learn SEM!

I'd like to teach myself structural equation modeling. What resources can you recommend? [more inside]

## The World of Wordpress Plugins

blogvirginfilter: I am a proud proprietor of a brand new blog and I just discovered the world of Wordpress plugins and need some serious help and explanations. [more inside]

## nonlinear solver for a non-stats programmer

Nonlinear numerical solver for a non-stats programmer - I have a large slab of client data to generate reports on. I suspect this is a simple job for anyone who knows R and/or other stats tools, but have no idea where to start myself. [more inside]

## Help me sample accurately!

Please provide me with an *effective*, and statistically sound, table/chart listing suggested sample size guidance for associated population size [more inside]

## Linear regression is... uh... something to do with residuals? (Shit.)

I have some interviews coming up. Anybody with a statistics-related profession.... please help me out with answering technical questions in my job interviews! (A bit on the long side...) [more inside]

## How many pugs and pug owners are there both in the U.S. and worldwide?

How many pugs and pug owners are there both in the U.S. and worldwide? [more inside]

## Where to find good state-by-state savings statistics?

Where can I find solid nationwide savings statistics/data? [more inside]

## Where is a website where I can download an excel-readable file showing the monthly impressions of popular websites?

I want to compare the monthly hits of popular websites, where could I download a spreadsheet or similar data for making a graph out of? [more inside]

## How can I get college football box scores as a feed or in a flat file?

Is there an easy (or at least relatively straightforward) way to get all of the college football box scores for a weekend (or more) as a feed or in a flat file (txt, csv, xls, etc.)? I'm running an offline fantasy football league, and I would like to automate the scoring if possible. (Solutions that require scripting or macros would be fine.)

## Parvovirus: odds of a puppy getting it?

I understand the danger parvovirus poses to puppies, but what are the

*odds*of a puppy contracting the disease in the US (specifically Alameda County, California)? [more inside]## Good websites for tennis stats

What are good websites for tennis statistics? [more inside]

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