Here is the code which I am using: I want the output dataframe to look for keys in the dictionary and search for them in the dataframe but the key can be only be counted one time against an id. Simply put: Group by id. For each group: see if at least one word in all sentences of a group
Tag: dataframe
For each date – is it between any of the provided date bounds?
Data: df: df_cal: Expected result: Goal: I want to assign values to a new column col: to 1 if df.index is between any of df_cal date ranges, and to 0 otherwise. Reference: I refer this post. But it just works for one condition and mine is lots of date ranges. And I don’t want to use dataframe join metho…
GroupBy results to list of dictionaries, Using the grouped by object in it
My DataFrame looks like so: And I’m looking to group it by Date and extract that data to a list of dictionaries so it appears like this: This is my code so far: Using this method can’t use my grouped by objects in the apply method itself: Using to_dict() giving me the option to reach the grouped b…
Can apply function change the original input pandas df?
I always assume that the apply function won’t change the original pandas dataframe and need the assignment to return the changes, however, could anyone help to explain why this happen? returns So, apply function changed the original pd.DataFrame without return, but if there’s an non-basic type col…
‘str’ object has no attribute ‘to_csv’
I’m trying to save some data that I collected on a csv file. And for that I’m using the following code, but I’m getting the error: ‘str’ object has no attribute ‘to_csv’ I am using this line df = pd.to_numeric(df, errors=’ignore’) to change Nonetype to num…
Check if value of dataframe is existing in list
I am trying to split a pandas Dataframe into two, based on the value in the column “country”. If the value exists in the following list (EU-COUNTRY-CODES), the row should be added to a dataframe called “EU”, if it does not exist in the list I want to add the row to another dataframe. I…
Finding string with multiple condition between two data frame in python
I have two dataframe df1 and df2. df1 has 4 columns. I want to add a new column Count in df2 in such a way that for every row in df2 if any string from Intersection or Roadway column exists in overall df1 data frame even once or more, the count column will have a value of 1. For example
How to fill the nan’s at the end of every column with 0’s in pandas python?
I want to forward fill my dataframe with a custom value – like 0. But pandas dosent allow to ffill with custom value. It only takes the last available value in every column and fills the nan values at the end with it. So was wondering if there was a better way to do this in python. Expected Output: Answ…
How to combine several rows into one based on a similar key in pandas dataframe?
Lets say I have a dataframe like this: Column1 Column2 Column 3 Column 4 Column 5 Column 6 Column 7 Platform_key amazonwebservicesaws asiapacificmumbai 38.33 nan nan nan nan amazonwebservicesaws_asiapacificmumbai amazonwebservicesaws asiapacificmumbai nan nan nan nan 1.83 amazonwebservicesaws_asiapacificmumba…
append or concat a row to a pandas df without collapsing multiindex
I’m trying to add a sum total to an already existing pandas dataframe. The problem is that when I do this my multiindices become just normal indices. How can I prevent that? neither this nor this works Maybe there is also an easier way to add a sum? Answer You’re not really creating a MultiIndex d…