I have two data frames. I want to add the columns from the second data frame to the first one by matching the column information in data frame 1. The first data frame: dd The second dataframe: df There are 61 unique items in column libcs in dataframe1 and 61 rows in the second data frame. I want to merge
Tag: pandas
Check if value in pandas dataframe is within any two values of two other columns in another dataframe
I have two dataframes of different length. dfSamples (63012375 rows) and dfFixations (200000 rows). I would like to check each value in dfSamples if it is within any two ranges given in dfFixations and then assign a label to this value. I have found this: Check if value in a dataframe is between two values in…
Convert Text File into Pandas Dataframe
I want to create a dataframe from a textfile. I scraped some data from a website and wrote it into a .txt file. There are 10 ‘columns’, as shown in the first 10 lines of the text file. Can anyone help me with seperating the lines into the respective columns in a pandas dataframe format? Much appre…
How can I compare two lists and m python. – Capture the different value
I am trying to compare two lists in python, one of them is a response from a rest request that I stored in a list and the other is obtained through a csv file. I need to compare them and capture the values that do not exist in the first list that is obtained from the csv that is smaller
Unique keywords on the column
I’m new to pandas and I have a question. I have a dataframe like and I should remove duplicates on “Keywords” column, no matter if the duplicates are on the same row or on 3 different rows. No matter if it is written “warehouse” or “Warehouse” Everything value duplica…
Python: Save variables-names and use them later in a loop
I downloaded DataFrames (depending on how many assets are in the variable “assets”) and created for each one its own variable by using globals(). Now, I require a loop to pick up each created variable, to perform other tasks with these variables. Before this, I need to “save” the creat…
New dataframe of all non-NaN pairs of elements between two columns in pandas
Trying to go from a DataFrame where each row is a source entity and columns are the type of relations between one or more entities like this: To one where each row includes a source’s unique target entity and relation type in separate columns: I’ve looked at pandas functionality including stack() …
Pandas oversampling ragged sequential data
Trying to use pandas to oversample my ragged data (data with different lengths). Given the following data samples: Data (groups are separated with — for convince): Targets: I would like to balance the minority class. In the sample above, target 1 is the minority class with 2 samples, for ids 1 & 3. …
How many records include each time interval in Pandas?
I have two Pandas event dataframes. The first is for longer events, while the second is for shorter events. The start and end times of the events define them. Every long event is a “container” of at least one short event. Each short event is part of only one long event interval. I try to figure ou…
How to rename values in column having a specific separation symbols?
Values in my DataFrame look like this: I want to remove everything in values of id column after _numeric. So desired result must look like: How to do that? I know that str.replace() can be used, but I don’t understand how to write regular expression part in it. Answer You can use regex(re.search) to fin…