I have a dataframe that has 3 columns and looks like this: The other dataframe looks like this: I need to match the data types of one df to another. Because I have one additional column in df_1 I got an error. My code looks like this: I got an error: KeyError: ‘profitable’ What would be a workarou…
Tag: pandas
Create multiple new rows per row in data frame
I have the following df: What I want to do know is add x new rows per row based on the id. So more specific spoken, I want to add a new column containing the date from a range of 7 days and then add a new row with the date for every ID in the df. so the output
Manipulate string to drop columns on pandas
I’m trying to manipulate a list (type: string) to use that list to drop some columns from a dataframe. Dataframe The list is from a dataframe that I created a condition to return columns whose sums of all values are zero: Selecting the columns with sum = 0 Importing the dataframe and turning it into a…
How can I change the values on the x-axis of my bar plot? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 1 year ago. Improve this question I have…
Easiest method to interpolate over missing dates in a time series?
I have some stock market data in excel covering the past 20 years or so which contains gaps from holidays and weekends. I wish to interpolate over those missing dates to obtain the approximate stock index for those days. I’ve read both columns into Python using pandas and assigned them to their respecti…
how to remove empty space from bars for a specific group, that was plotted as seaborn bar plot on data in pandas dataframe
I have a dataset which looks like this: When I am plotting this data using the following code: I get the following issue (there is always some space between the bars of IND): Whatever I had tried, it is not going away. How to fix the issue? Answer This happens because you’ve got missing values in your D…
How to create a new column conditionally?
I want to add a new column called id to my pandas DataFrame. If the value of id is just a fixed number, then I can create a new column as follows: However, in my case I need to create batches of 3 rows, as follows: How can I do it? Answer You can create array by np.arange with integer
How to fill a field based on other column in Python?
I need to fill a column’s fields, based on the other columns, in this way: The first df has two columns – names and ages of the kids, but some rows are NaNs, however nothing should be done with the NaNs, just ignore them. But the ages should be filled in, based on the second df. First df: is this:
Python Pandas count function on condition and subset
i have a dataframe like this I want to build the following count function to count the items in my dataframe like shown below. The Function should count by the Subset [‘F_Class’,’Product’] If df[‘Packages’] == 2 then increase by +2 else increase by +1 The result should look…
How can I append the last row on each dataframe
I am trying to use for loop to append the last row into a new dataframe. However, it only can append the last data into the new dataframe. May I know how can I fix it? The code looks like this: Answer Try change the line: to: Your code is now resetting new_df to a new value in every iteration