Questions tagged [statistics]

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20 views

How do you refer to a specific column in a pivot table in a formula outside of the pivot table to find various summary stats for that column?

So I have a pivot table with different columns of numerical data. If I want to find summary statistics of one of the columns (i.e. average, standard deviation, etc.), how would I refer to it in a ...
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11 views

Change Interface display order in iptraf General Interface Statistics display

Is there a way to change the order of interfaces listed in the General Interface Statistics display screen for iptraf? http://soc.if.usp.br/manual/iptraf/html/netstats.html I have linux box with ...
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1answer
44 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 ...
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1answer
37 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 ...
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1answer
93 views

awk,sed help needed for addressing density [duplicate]

We are doing a study on livability and quality of life in high-density cities pulling information from sources that, when crunched, can provide an insight into the density ratio of apartments so as to ...
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0answers
33 views

Automating Repetitive Minitab Analysis

have a large amount of testing data in excel format that I need to do capability analysis on minitab. The data is laid out as follows... Product Size Dependent Variable 1 Dependent variable 2 … and ...
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1answer
70 views

Random Number Help - I have a confidence, max, and min, how should I do this?

For a class project, I need to create a list of 100 randomly simulated numbers, but I am struggling with the formula. According to the homework, I know that I am 95% confident that the range of the ...
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1answer
16 views

Increase Pre-Populated Excel Spreadsheet by a Percentage

I have a complex spreadsheet given to me by the engineering dept. I want to use this spreadsheet to model increases in productivity as follows: I want to be able to insert a % value in a cell and ...
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1answer
173 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 ...
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3answers
40 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 ...
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1answer
214 views

USB test methodology and automation tools [closed]

I am charged with the task to design the architecture to stress (burn-in) test computer's USB ports. Requirements are not defined yet, and I have double complicated task - to define what to test and ...
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0answers
51 views

Very High Correlations In Forex Data

I have a regression problem where I'm working on predicting future close price value change of a certain forex pair, mainly USDJPY, so I did the following: Get the forex historical data of USDJPY ...
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1answer
170 views

Exclude outliers from any excel formula (numbers)

I found a great way to exclude outliers from a statistical excel formula, that requires only one row, such as AVERAGE. {=AVERAGE(IF(AC4:AC22<>"",IF(AC4:AC22>=138,IF(AC4:AC22<=144,AC4:...
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0answers
734 views

MS Excel Filter Chart Data Labels not updating with filter

I have a large table of data containing my x-axis data, a column of dates, a column of numbers, and a column of data labels. I have setup a pivot chart where the date is the filter and the data all ...
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1answer
202 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 ...
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1answer
44 views

data export from site is in lines, how to put it in table form

I exported some data from a nutritions tracking website to use in excel and eventually in SPSS for analysis. However the data is exported in lines/rows. I need it to be in table form so I can use it ...
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1answer
623 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 ...
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1answer
23 views

How to modify data to make box plot?

My data is formatted like: 0:01:11 0:01:58 0:01:12 0:01:33 0:01:14 0:01:07 0:07:00 0:04:14 0:02:07 0:03:06 0:01:16 0:01:00 0:02:39 0:03:00 0:03:43 0:02:26 0:02:57 0:08:43 0:03:10 0:...
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1answer
96 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" ...
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1answer
19 views

How to count the number of cell pairs containing x and y values larger/smaller than the mean in excel?

I have an excel spreadsheet with paired data for 105 different pairs. I'm trying to conduct a chi square test, but I first need to find frequencies for the number of pairs where x is greater than the ...
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1answer
41 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) ...
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0answers
16 views

Summary web usage of each process

How I can check summary usage web of each process? I don't need summary of week or month etc. Only from start of a application. I would like to open application and application would be counting data ...
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1answer
49 views

Excel Data Distribution

I have a machine that produce goods by work order generated from database. The quantity of goods per work order varies from 1 to 5,000. I am trying to analyze the efficiency of the machine as I think ...
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2answers
2k 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 ...
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1answer
28 views

Excel 2016 getting statistics out of distribution of A B C

If i have a list of value groups of A and B. (example ? was equal to 1.2 in the morning (A), which became 1.7 in the evening (B) And I need to divide them in groups of : X = A < B Y = A > B Z =...
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1answer
3k 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: ...
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1answer
146 views

OpenOffice calc colorize data points differently

I gathered some FTP file size statistics for my boss and I wondered if OpenOffice calc had the ability to colorize the data points differently. I want to color green the data points within one ...
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1answer
737 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....
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1answer
176 views

Getting per-user or per-command CPU/load information for Linux

I have a stock-standard LAMP stack running on a Centos 7 (Linux 3.10.0) machine. The Apache web server passes requests to run PHP files to a number of php-fpm processes, which run under different ...
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0answers
294 views

Unable to plot a scatter plot in excel

I have taken integers from 1 to 100 as my total population set. Now I generated 5 random numbers (using =randbetween() command) and called it my sample 1. Similarly, I created 200 such samples. Now I ...
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1answer
587 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 ...
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1answer
288 views

When using laptop for heavy duty statistical analysis is it more important to have highest possible RAM or fastest possible processor?

I'm starting a private equity company and need to buy a laptop that can perform heavy duty statistical analysis. I don't know if I should focus on finding a laptop with the highest possible RAM or a ...
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1answer
246 views

CPU performance growth stagnates

I looked at this diagram and I am wondering me that the increasing of the CPU performance seems to stop although the transistor count is still increasing. I mean what are the profts of the increasing ...
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1answer
33 views

How to set all column types and measures simultaneously in SPSS?

I have over 150 different variables in my data set that when imported from a CSV file are assigned the incorrect type and measure. All data should be considered to be of type numeric and measure scale....
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1answer
53 views

Statistics in excel including modified text values

I have a table in Excel (2013) that looks something like this: V1 V2 V3 V4 2.1 300 40.5 6.89 6.9 204 <0.02 <0.001 <0.3 96 6.5 1.2 For each of the columns V1 ...
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1answer
59 views

Excel - choosing numbers from bigger data set

I have a question about excel (hopefully on the right forum) I have a data of 100 numbers in excel and I want to randomly choose 30 numbers with the fact that the same number is not chosen again (so ...
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2answers
2k 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 ...
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0answers
41 views

What is the easiest way to generate a pi diagram or bar diagram from raw data?

Background: I want to see an statistics on my spent time in several categories like sports, study, movie etc. throughout a certain period of time. To visualize it, I have to represent it in pi diagram ...
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2answers
129 views

Find out network usage from router

I have a simple TP-LINK TL-WR841ND router and wanted to ask how can I find out the usage of the local network. I see there are received/sent Packets in wireless statistics, but am not sure what ...
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2answers
328 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 ...
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4answers
45k 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 ...
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2answers
140 views

How can I track internet upload/download on linux while ignoring local traffic?

I have two Linux boxes connected to a router and the router is connected to a modem. The Linux computers share file systems via NFS. I want to track internet usage upload and download values, ...
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0answers
76 views

How to add metadata (source of the dataset) to a file (dataset)?

I usually have to download datasets from websites through a point-and-click system that is difficult to replicate in a Makefile. In these cases, I want to include as much metadata about how I ...
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2answers
1k views

Stats on /proc/diskstats always shows more writes than reads

I've taken the following stats from /proc/diskstats: 9 0 md0 106989 0 _2923830_ 0 117988 0 _3448953_ 0 0 0 0 8 0 sda 33840 22299 _1143351_ 871132 87336 194804 _2003961_ 2201868 0 949992 ...
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1answer
33 views

Linux program used to gather installed packages, processes, listening ports, etc.?

It's hard to Google this because it seems like everyone and their kid sister has written a script to gather system stats! I once saw a mature program written that is used to gather system stats like ...
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1answer
373 views

How can I measure disk writes per file/program over a long period of time

I have an SSD and a hard disk in one computer. I use mountpoints and symlinks to put write-heavy directories (e.g. Downloads) on the hard disk to save on wear on the SSD. I want to find out which ...
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1answer
1k 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 ...
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2answers
678 views

Finding trends in multi-category data in Excel

I have an Excel spreadsheet that contains hundreds of rows of data that each represent a single sample in a larger population. Each row is divided into three columns that contain frequency counts of ...
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1answer
50 views

Is there a system monitoring tool that lets me write complex queries against the data? [closed]

I am looking for a system stat collection tool that will let me write queries against the data collected. I am planning to answer questions like: what is the average load, over the last 30 days, on ...
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1answer
825 views

Is there a way to log and view application run time statistics in Windows 7?

I'm looking for a way to collect stats on what apps are launched when and for how long they're used on my Windows 7 PC. Is there a native tool for that? If there is not, what are the popular third-...