Questions tagged [statistics]
The statistics tag has no usage guidance.
103
questions
64
votes
5
answers
25k
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**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?
...
25
votes
6
answers
20k
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 ...
11
votes
4
answers
12k
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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 ...
11
votes
5
answers
30k
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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 ...
10
votes
5
answers
59k
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 ...
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....
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 ...
8
votes
6
answers
721
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 ...
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 ...
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 ...
4
votes
3
answers
19k
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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 ...
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 ...
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 ...
3
votes
4
answers
807
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 ...
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 ...
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) ...
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?
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 ...
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 ...
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 ...
3
votes
3
answers
10k
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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 ...
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 ...
2
votes
2
answers
333
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 ...
2
votes
2
answers
5k
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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 ...
2
votes
3
answers
123
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 ...
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 ...
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 ...
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 ...
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 ...
2
votes
1
answer
321
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" ...
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:
...
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 ...
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?
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 ...
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....
1
vote
1
answer
265
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 ...
1
vote
1
answer
423
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 ...
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 .. ...
1
vote
1
answer
64
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 ...
1
vote
1
answer
536
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 ...
1
vote
1
answer
49
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) ...
1
vote
2
answers
434
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 ...
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 ...
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 ...
1
vote
1
answer
109
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 ...
1
vote
1
answer
525
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 ...
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 ...
1
vote
1
answer
500
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 ...
1
vote
1
answer
168
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
...
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 ...