Top "Data-analysis" questions

groupby multiple values, and plotting results

I'm using some data on fungicide usage which has the Year, Fungicide, Amount used, along with some irrelevant columns in …

python pandas matplotlib group-by data-analysis

Group by two columns and count the occurrences of each combination in Pandas

I have the following data frame: data = pd.DataFrame({'user_id' : ['a1', 'a1', 'a1', 'a2','a2…

python pandas dataframe data-analysis

Python : How to use Multinomial Logistic Regression using SKlearn

I have a test dataset and train dataset as below. I have provided a sample data with min records, but …

python scikit-learn logistic-regression data-analysis

Getting error when adding a new row to my existing dataframe in pandas

I have the below data frame. df3=pd.DataFrame(columns=["Devices","months"]) I am getting row value from a loop …

python pandas dataframe data-analysis

How to get rid of multilevel index after using pivot table pandas?

I had following data frame (the real data frame is much more larger than this one ) : sale_user_id sale_…

python pandas dataframe pivot-table data-analysis

A question on cross-correlation & correlation coefficient

Possible Duplicate: Matlab Cross correlation vs Correlation Coefficient question When I cross correlate 2 data sets a and b (each 73 points …

math matlab data-analysis cross-correlation

Finding an average but ignoring any zero in a list [Python]

I have a text file of temperature data that looks like this: 3438012868.0 0.0 21.7 22.6 22.5 22.5 21.2 3438012875.0 0.0 21.6 22.6 22.5 22.5 21.2 3438012881.9 0.0 21.7 22.5 22.5 22.5 21.2 3438012888.9 0.0 21.6 22.6 22.5 22.5 21.2 3438012895.8 0.0 21.6 22.5 22.6 22.5 21.3 3438012902.8 0.0 21.6 22.5 22.5 22.5 21.2 3438012909.7 0.0 21.6 22.5 22.5 22.5 21.2 3438012916.6 0.0 21.6 22.5 22.5 22.5 21.2 3438012923.6 0.0 21.6 22.6 22.5 22.5 21.2 3438012930.5 0.0 21.6 22.5 22.5 22.5 21.2 3438012937.5 0.0 21.7 22.5 22.5 22.5 21.2 3438012944.5 0.0 21.6 22.5 22.5 22.5 21.3 3438012951.4 0.0 21.6 22.5 22.5 22.5 21.2 3438012958.4 0.0 21.6 22.5 22.5 22.5 21.3 3438012965.3 0.0 21.6 22.6 22.5 22.5 21.2 3438012972.3 0.0 21.6 22.5 22.5 22.5 21.3 3438012979.2 0.0 21.6 22.6 22.5 22.5 21.2 3438012986.1 0.0 21.6 22.5 22.5 22.5 21.3 3438012993.1 0.0 21.6 22.5 22.6 22.5 21.2 3438013000.0 0.0 21.6 0.0 22.5 22.5 21.3 3438013006.9 0.0 21.6 22.6 22.5 22.5 21.2 3438013014.4 0.0 21.6 22.5 22.5 22.5 21.3 3438013021.9 0.0 21.6 22.5 22.5 22.5 21.3 3438013029.9 0.0 21.6 22.5 22.5 22.5 21.2 3438013036.9 0.0 21.6 22.6 22.5 22.5 21.2 3438013044.6 0.0 21.6 22.5 22.5 22.5 21.2 but the entire file is much longer, this …

python data-analysis

What names can be used in plt.cm.get_cmap?

I have this code : plt.scatter(data_projected[:,0],data_projected[:,1],c=digits.target ,edgecolors='none',alpha=0.5,cmap=plt.cm.get_…

python python-3.x matplotlib data-analysis matplotlib-basemap

How to plot two DataFrame on same graph for comparison

I have two DataFrames (trail1 and trail2) with the following columns: Genre, City, and Number Sold. Now I want to …

python pandas matplotlib graph data-analysis

Object pandas has no attribute name Series

import pandas as pd numbers = {1,2,3,4,5} ser = pd.Series(numbers) print ser I write this code in python for pandas series. …

python pandas data-analysis