Top "Data-analysis" questions

Data Analysis involves extracting meaning and insights from raw data.

R randomForest for classification

I am trying to do classification with randomForest, but I am repeatedly getting an error message for which there seems …

r classification data-analysis random-forest
reverse dataframe's rows' order with pandas

How can I reverse the order of the rows in my pandas.dataframe? I've looked everywhere and the only thing …

python pandas data-analysis
Plot pandas dataframe containing NaNs

I have GPS data of ice speed from three different GPS receivers. The data are in a pandas dataframe with …

pandas ipython data-analysis
How to specify the number of rows a pandas dataframe will have?

I have a Pandas dataframe and I am continually appending a row of data each second as below. df.loc[…

python pandas dataframe data-analysis real-time-data
Python Pandas figsize not defined

I am new to pandas for data analysis and I just installed pandas with required dependencies (NumPy, python-dateutil, pytz, numexpr, …

python pandas data-analysis
Data analysis with JavaScript?

Today my data analysis routine would be something like the following: do the heavy work with either R, Julia or …

javascript data-analysis
In pandas can you aggregate by mean and round that mean to the nearest int?

So I have 169 columns which have been treated to leave 1=for yes and 0= for no, now I need to aggregate …

python pandas anaconda data-analysis
Log file to Pandas Dataframe

I have log files, which have many lines in the form of : LogLevel [13/10/2015 00:30:00.650] [Message Text] My goal is to convert …

python python-3.x pandas dataframe data-analysis
Google Analytics trackevent in single-page web app

What is the best (most practical) way to use Google Analytics trackevent for tracking "pageviews" in a single-page web app? …

javascript google-analytics single-page-application data-analysis pageviews
DataFrame (like in R or Pandas) for C++

Is there a C++ library providing a data structure similar to DataFrame from R or Pandas? What I'm mostly interested …

c++ data-structures data-analysis