I have a csv file like that I want like that means every integer should be converted to binary and word meme should be deleted Answer You can also try this:
Tag: pandas
Resolving conflicts in Pandas dataframe
I am performing record linkage on a dataframe such as: When my model overpredicts and links the same ID_1 to more than one ID_2 (indicated by a 1 in Predicted Link) I want to resolve the conflicts based on the Probability-value. If one predicted link has a higher probability than the other I want to keep a 1 …
Creating a function to standardize categorical variables (python)
I don’t know if it is right to say “standardize” categorical variable string, but basically I want to create a function to set all observations F or f in the column below to 0 and M or m to 1: I tried this: But I got an error: Any ideas? Thanks! Answer There is no replace function defined in…
Counting number of rows between min and max in pandas
I have a simple question in pandas. Lets say I have following data: How do I count the number of rows which are between minimum and maximum value in column a? So number of rows (it is 3 in this case) which are between 1 and 10 in this particular case? Thanks Answer IIUC, you could get the index of
With pandas.DataFrame.replace in python how to replace all ä with ae?
With pandas.DataFrame.replace in python how to replace all ä with ae only the ones that are in between ${}? Below is my Python code that I tried with but it didn’t worked: df.replace({‘Desc’: r’${.*ä}’} , {‘Desc’: r’${.*ae}’}, regex=True) As a first e.g. A…
Merge 2 columns from a single Dataframe in Pandas
I want to merge 2 columns of the same dataframe, but by using some specific condition. consider the following dataframe : number-first Number-second 1 Nan 2 4C 3A 5 Nan 6 Nan 7 Nan Nan The conditions are: If the Number-first column has a alphanumeric value and the Number-second Column has a Nan value or a …
Pandas/Geopandas Merge with a mask selection
I usually work with Arcpy but am trying to learn more pandas/geopandas uses. I have a mask applied to a csv table and a shapefile that I want to merge together in order to find matches between the two based on a specific field. However, when I try to merge them together, I get the error “The truth value…
How to find lines in pandas columns with close values?
I need to find ‘user_id’ of users standing closeby to each other. So we have data: So, in this dataset it would be users with id ‘101’ and ‘302’. But our dataset has millions of lines in it. Are there any built-in functions in pandas or python to solve the issue? Answer Ass…
Make dummy variable for categorical data, based on ID column with duplicate values in python
I have the following pandas dataframe: I want to make dummy variables for the values in the column ‘value’, for each value in the column ‘ID’. So I want it this: How can I do this in python? Answer Use crosstab with limit counts to 1 by DataFrame.clip:
How to take results of GROUPBY and expand to columns
Here’s an example of my working code that accomplishes what I want but is much too long. The resulting data frame is in the format I want here: I know that I can accomplish close to what I want with a groupby() on the ‘Specialty Type’ and the ‘Foundation Threshold’ using an .nuni…