Questions tagged [statistics]

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63 votes
5 answers
24k views

**How** harmful is a hard disk spin cycle?

It is conventional wisdom¹ that each time you spin a hard disk down and back up, you shave some time off its life expectancy. The topic has been discussed before: Is turning off hard disks harmful? ...
Gilles 'SO- stop being evil''s user avatar
25 votes
6 answers
19k views

Why do different manufacturers have different S.M.A.R.T value?

First of all, I think everyone knows that hard drives fail a lot more than the manufacturers would like to admit. Google did a study that indicates that certain raw data attributes that the S.M.A.R.T ...
James T's user avatar
  • 10.1k
11 votes
4 answers
12k views

Mean Time to Failure (MTTF): When disk manufacturers post this, how should you interpret their numbers?

Mean Time to Failure (MTTF) is usually given in terms of hours, and by doing some calculations, it seems that a disk should fail only after a good number of years have gone by. It seems that disks ...
Kaitlyn Mcmordie's user avatar
11 votes
5 answers
29k views

Is it possible to analyze the size of a SubVersion repository?

Is it possible to know how much disk space each project in a SubVersion repository is using? I can check out a working copy of each project and look at the size each project takes up, but I don't ...
BrianH's user avatar
  • 763
10 votes
5 answers
58k views

How do I see the network adapter statistics in Windows 7?

I remember there was bytes/packets sent/received since connection established in the past but I cannot find it in the adapter properties now. BTW, when I hover over the network connection icon in ...
Val's user avatar
  • 1
10 votes
3 answers
11k views

Application to gather mouse usage statistics [closed]

Any application available to gather and analyze stats about mouse usage. For e.g.: Mouse movement speed, number of productive and unproductive clicks, etc. The more the analysis available the better....
rzlines's user avatar
  • 7,538
10 votes
2 answers
3k views

Long-term storage reliability of various media

I’m looking for a reference of statistics on long-term storage/archive reliability for various types of media. That is, I’m looking for information, comparisons, charts, graphs, test results, etc. on ...
Synetech's user avatar
  • 68.8k
8 votes
6 answers
719 views

Is there a software that performs a textual analysis on blogs? [closed]

My company is looking to create a PivotViewer visualization of a client's Wordpress 2 blog posts for the last 11 years. To do so, however, we need to edit the somewhat haphazard, incomplete, and ...
Brian Bauman's user avatar
5 votes
1 answer
2k views

In linux, how can you tell which processes use the most network bandwidth?

In linux, how can you tell which processes use the most network bandwidth? Is there something like "top" for the network? I know about bwm-ng, but it only shows global statistics, not per-process ...
Peltier's user avatar
  • 6,294
5 votes
1 answer
1k views

Line chart in LibreOffice - data in rows (type, x, y) rather than in a 2-input table

How do I create a line chart in LibreOffice Calc if the data is organised in 3-tuples rather than in a two-input table? Example: Banana Jan 10 Banana Feb 20 Banana Mar 30 Banana ...
meh's user avatar
  • 51
4 votes
3 answers
18k views

Graphing mean and standard deviation

I have measurements for multiple devices, and have their mean and sd values. I would like to produce a chart that would show these values, and I think the best would be if I could have something that ...
user avatar
4 votes
2 answers
3k views

Monitoring application usage on OS X [closed]

Is there an application that can track what the active application is, log the information and display the data? I'm trying to be more productive, so I've been looking at what applications are taking ...
gak's user avatar
  • 8,737
4 votes
3 answers
2k views

Creating map of countries colored using country statistics

I want to create a PNG (or GIF) image, with geopolitical map of countries, where each country has color set according to some country statistics (e.g. 'USA' has n, 'Canada' has m, etc.). Something ...
Jakub Narębski's user avatar
3 votes
4 answers
804 views

IE Browser Market Share: What Are the Real Statistics?

I was just looking at W3Schools and Wikipedia for browser share statistics, and they report drastically different numbers for IE, especially. I understand that for all surveys, there will be some ...
Maxim Zaslavsky's user avatar
3 votes
2 answers
4k views

Calculate Median based on counts of value

I have data of how many of a specific CPU we have, and their CPU-marks. Based on this I wish to dynamically calculate Median and Quartile stats. For example, I have a table that looks like Name ...
Gnutt's user avatar
  • 183
3 votes
1 answer
3k views

What's the most common Firefox user-agent? [closed]

Firefox embeds too much information in the browser's User-Agent header field (even the build date, which I find unnecessary). Examples: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.5) ...
user avatar
3 votes
4 answers
1k views

What percentage of computers today are *nix based? [closed]

Do you know some source that has statistics/estimations about this? Any sound guesses?
Lazer's user avatar
  • 17.7k
3 votes
2 answers
1k views

Libre Office - Single Column Pie Chart

I want to create a pie chart, for a single column that looks like this: I tried to select the range, click on Insert -> Chart -> Pie-Chart, but regardless of what I try, I always get an empty ...
Kyu96's user avatar
  • 127
3 votes
1 answer
2k views

Plot several time series "categories" for several groups

I have a process that starts with State0, and after some time gets to State1, State2, and so on.  Let there be Group1, Group2, Group3, and so on. How can I plot each state for each group having x as ...
Elekko's user avatar
  • 131
3 votes
1 answer
2k views

Counting pairwise combinations from many options in Excel

I have a large dataset of students and the classes they have taken. Each student has taken 12 to 18 of around 80 available classes. Using Excel (2013) I would like to find out, for any given pair of ...
ermintrude75's user avatar
3 votes
3 answers
10k views

Live football stats API [closed]

I'm looking for a service that will provide live football/soccer statistics (match and player stats, preferably) over API or RSS (or whatever), or perhaps just provide easily parsable stats. Does ...
user7087's user avatar
3 votes
0 answers
1k views

Getting i/o statistics of a process per file

I have a process of I would like to monitor the i/o with some precision. I know the PID, but I can't really control the way it is started (so I can't really put a pv-like command in between). What I ...
H van Buuren's user avatar
2 votes
2 answers
323 views

Counting how many webpages were loaded in 1 day in Google Chrome

How can I count how many webpages were loaded on a single day of Google Chrome use? I know it's saved because it lists all of them in history, but it'd take forever to count by hand! I wanted to see ...
James T's user avatar
  • 388
2 votes
2 answers
5k views

Firefox add-on that tracks webpage load time including DNS retrieve time?

I used to have this add-on but now I forgot what it's called. Basically it can track any website's load time, DNS seeking time, time from host to javascript execution and HTML rendering, things like ...
Jonathan's user avatar
  • 2,385
2 votes
3 answers
105 views

Weighted harmonic mean that ignores #DIV/0

I have this values: Dataset: I have a row in a sheet (AQ4:KK4) with 255 values. The dataset have some 0 values. Weights: I have a column in another sheet (L3:L257), also 255 values. Weights are never ...
Israel T.-A.'s user avatar
2 votes
3 answers
4k views

Get count of file types in a directory

How can I get a file count given a directory grouped by file type? The output might look something like .txt: 4 .png: 16 .jpg: 32 This probably isn't difficult to achieve with a script, but is there ...
NetherGranite's user avatar
2 votes
3 answers
274 views

Software that shows network activity? [duplicate]

Possible Duplicate: Monitor all and any internet traffic from my home PC - what should I use? I am looking for a software that monitors, shows and (hopefully) logs network activity like open ...
apoorv020's user avatar
  • 2,474
2 votes
2 answers
181 views

Suggestions for aesthetically pleasing statistics applications or screensavers? [closed]

I've got a small 14" LCD display on my home server that I keep attached for whenever I want to access the console directly (I usually connect via RDP). This is connected to a box running Windows 2008 ...
NoCarrier's user avatar
  • 3,507
2 votes
1 answer
309 views

How often do netbook parts break?

I need to know a list of how many percentage of all components break within a year. For example I would need to know how many percent of all netbook RAM is calculated to break within a year? This ...
Oskar Kjellin's user avatar
2 votes
1 answer
305 views

Calculating the average ("hitrate") of football results

I want to find the average (or the "hit rate") of World Cup football results. I have calculated 2 points for correct 1X2, and 3 points for correct 1X2 + correct score. So the hit rate should be "yes" ...
matchedbettingnorge's user avatar
2 votes
1 answer
7k views

How to draw the center of mass of a scatter plot in Excel?

I have created a scatter plot in Excel, and I'd like to be able to draw its center of mass (i.e. the point whose coordinates is the average of each series). I am currently doing it using this trick: ...
mr.mams's user avatar
  • 148
2 votes
2 answers
3k views

What is MS Word counting or ignoring when it counts words in an open vs. closed file?

Sometimes I estimate and bill projects based on word counts, so knowing the actual count is important. If I knew what MS Word counted and did not count in an open vs. closed file, then I could choose ...
RJo's user avatar
  • 553
2 votes
2 answers
762 views

How many SVN checkouts of my project on google code?

My project uses Google Code. Is there a way to find out how many checkouts there have been?
Paul Biggar's user avatar
2 votes
2 answers
4k views

Remotedesktop - monitor activity statistics - Windows Server 2008 R2

I have a Windows Server 2008 R2 setup with multiple users working on using remotedesktop. I'd like to get some statistics of theyr interaction with the system throughout the day. Like for example how ...
Mat's user avatar
  • 113
2 votes
1 answer
1k views

TP Link - data statistics resets after modem restart

I have TP Link - TL-WR841N / TL-WR841ND. I want to track data usage per device on monthly basis. I have enabled data statistics on my modem. But the statistics are getting cleared after modem restart....
Kumar's user avatar
  • 121
1 vote
1 answer
263 views

Checking chrome url autocomplete prabability stats

I want to see the probability stats that chrome has for certain keywords I type in the ommnibox, but I can't remember the command used to do it. What I mean is, when I type "twi" it gives me a list ...
miguel.gazela's user avatar
1 vote
1 answer
421 views

Multiple Ubuntu servers - quick stats

I recently learned about Ubuntu Landscape - but for my purpose it's an overkill, and seems that it's not free. I have 3 servers, and I want to visit a single website that gives me a quick summary of ...
Mikhail's user avatar
  • 1,471
1 vote
1 answer
444 views

long table in excel - how to produce stats for subtables?

Say I have a table with columns A = {1..5}, B = {a..e} and Score = Number. I want to produce a new table that would display statistics for each A, B combination. e.g. A B Mean SD 1 a .. ...
user avatar
1 vote
1 answer
54 views

View historical record of applications used on a PC

I want to access the exact time at which I turned on/off a program on windows 10. How can I find such records? e.g. "Word.exe is started at 09:10 and terminated at 12:03." I cannot find this in the ...
Holding Arthur's user avatar
1 vote
1 answer
510 views

Quickly show Readability Statistics in Microsoft Word

Is there a quick way to show the readability statistics for Microsoft Word 2013 or 2016 documents, without having to correct them first? I know how to enable the readability statistics so that they ...
JRI's user avatar
  • 847
1 vote
1 answer
48 views

How are statistical maps made? [closed]

I see maps with all kind of statistics (gdp, population density, rain, exports, happiness) on the internet all the time. Usually they're only outlines (so they have no roads or buildings or whatever) ...
entonio's user avatar
  • 145
1 vote
2 answers
422 views

Laptop battery uptime monitor

Is there any way to measure what sort of uptime/active usage I get out of a given battery charge; that is, how long do I get actually using the laptop between full charges. I'd like it to be a ...
feroxy's user avatar
  • 21
1 vote
1 answer
2k views

Use LINEST on filtered data - Excel

I am trying to use the LINEST function and then filter the original data to reflect the subset I am interested in. Unfortunately LINEST always uses all originally defined data. Is there a way to ...
gravity's user avatar
  • 13
1 vote
1 answer
1k views

How to fill in missing data series?

I have monthly water quality (Nitrate) measurements from July, 2005 till Oct., 2013 (84 measurements). However, there is no measurements from Oct., 2007 till June, 2009 (21 measurements). Could you ...
user avatar
1 vote
1 answer
108 views

What hardware is most important for sparse matrix operations? [closed]

I do a lot of statistical computing in R, particularly text analysis which involves a lot of sparse matrix operations and EM algorithm calls. What hardware specs are most important for optimizing ...
Trey's user avatar
  • 21
1 vote
1 answer
523 views

dropbox file type statistics

Is there any way to see the percentage of the filtetypes shared on dropbox? I mean, how many music files, how many zip files, how many rar files etc. Both the figures themselves and percentages would ...
vondip's user avatar
  • 113
1 vote
2 answers
75 views

Measuring internet performance

Is there a program that measures the performance (bandwidth, latency) of my internet connection over time? I'm interested in trends, statistics, etc... I suspect that I'm not getting all that I'm ...
ripper234's user avatar
  • 11.5k
1 vote
1 answer
426 views

Create scatter plot using two arrays of data in Excel [duplicate]

I'm an aspiring eSports rookie who has been tracking his training progress for some time now. I have two tables in an Excel worksheet: The first is Accuracy, with rows being date and columns being ...
Tht1GuyJohn's user avatar
1 vote
1 answer
108 views

Calculating correlations on a variable across different locations [Panel/longitudinal data]

Hello I am trying to find the correlations between variables in excel. My data is structured as follows across different sheets, Location Variable Year 1 Year 2 Year 3 Place A Indicator 1 1 2 3 ...
howkesh's user avatar
  • 11
1 vote
1 answer
1k views

"Stretching/Shrinking" data to align it with other data with Excel preferably

Ok, so my question is simple but requires some background. I'm working on a paper regarding the effects on stock price from the index announcement to the effective day. The time period varies each ...
Jertz's user avatar
  • 11