Questions tagged [dataframe]
A data frame is a tabular data structure. Usually, it contains data where rows are observations and columns are variables of various types. While "data frame" or "dataframe" is the term used for this concept in several languages (R, Apache Spark, deedle, Maple, the pandas library in Python and the DataFrames library in Julia), "table" is the term used in MATLAB and SQL.
347 questions
2 votes
0 answers
70 views
Pandas Merge Produces Different Model Results Despite Identical Data - Why?
After merging DataFrames, my model gives worse performance even when using the same original features. Minimal Example: ...
0 votes
1 answer
50 views
How to compare 4 columns in separate dataframe and evaluate if they have the same values that matches
I would like to compare 4 columns from 2 different dataset and evaluate if they have the same values of status. is this possible to check/count how many IDNos with different status and have the same ...
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1 vote
2 answers
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Merging Turbine and Forecast Data Diagonally
I am trying to combine my main dataset, which is hourly data collected from a turbine, with forecast data. The forecast data is collected by calling an API every hour to get a new .csv file which is ...
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1 vote
2 answers
261 views
Frameworks vs models
My second question (Models vs algorithms) is what is the difference between models and frameworks?
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0 votes
1 answer
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Finding the labels of a shuffled pandas dataframe
I have a dataframe (namely 'original') with over a thousand numerical columns as features and one label column. I also have a shuffled version of the same dataframe (namely 'shuffled') with label ...
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0 votes
2 answers
515 views
How to filter out redundant id rows with deviant values
First post, so thank you in advance for any pointers! I have a dataframe with an issue similar to the following: id value 10 25.03 11 26.00 11 0.95 12 32.95 13 34.43 13 1.02 One can see ...
0 votes
1 answer
59 views
how to prepare pandas dataframe from Solar Flare Data Set?
I am looking to download and use Solar Flare Data Set (https://archive.ics.uci.edu/ml/datasets/Solar+Flare) but unable to figure out how to get the pandas dataframe from the file that is being ...
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0 votes
1 answer
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