Most voted "data-analysis" questions
Data Analytics involves extracting meaning and insights from raw data. This is the set of methods and algorithms to analyze, clean, transform and model the data to get conclusions.
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6
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answer829
viewsR workflow: strategies to organize a data analysis project
Based on this question from the SOEN, ask: What strategies do you recommend to organize a data analysis project on R? The project usually involves the following steps (not necessarily in that…
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answer321
viewsSpatial analysis in R: how to implement a polygon with splancs?
I’m trying to calculate the intensity of a point pattern with "Smooth kernel" (sorry, I don’t know how to translate this). Before executing Smooth kernel code, you need to specify a histogram…
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answer790
viewsHow to change time, read and chart in MATLAB?
I am a meteorological student and analyze data from micrometeorological towers. On each line of my file, .csv has tower code, year, day and minute hour. 110,2015,005,2359 1º I would like to know how…
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answer59
viewsAt what stage should the data be edited?
I am currently removing data from a website, with data in English, through web scraping. If we want, for example, to translate the names or values of the fields into Portuguese, or to complete…
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answers223
viewsSoftware for file recovery on MFT (Master File Table)
Hello, I work a lot with NTFS file systems. I have lost many files, due to logical and physical failures in my media. I always managed to recover some files with a lot of effort and technical…
data-analysisasked 7 years, 4 months ago Lucas Alexandre 11 -
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answer189
viewsHow to extract data from simple non-standard texts?
I would like to extract fields for a database from text files. However the fields are positioned in different ways in each text being difficult to obtain the values by common methods, for example:…
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answer85
viewsOpen Python file in a different folder (Explorer)
I would like to know some way to open a file (example, a .csv to do some data analysis) from Windows Explorer. Example: arquivo = open('arquivo_1.csv','r') but with the file 'arquivo_1.csv' coming…
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answer155
viewsProblems with dates in R
I am again having date problems in R. I have the dataset below and would like to calculate the difference of dates between revisions. It happens that I am not succeeding, sometimes returns some…
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answer31
viewsGLM with non-significant P values
My dataset has four variables: a dependent (Y), and three independent (X1, X2 and X3): > dput(dados) structure(list(Y = c(29.1, 27.7, 28.2, 28.1, 27.3, 25.9, 27.2, 30.6, 27.6, 28.4, 26.6, 28.1),…