Pandas: Adding a new column to a dataset based on a condition using information from another dataset Question: I have 2 csv files. One dataset, df1, with a single column that looks like this deviceNames 0 12132182 1 12134086 2 12203676 3 12131211 4 12129534 And another, df2, with many columns but the relevant columns …
Python pandas two table match to find latest date Question: I want to do some matching in pandas like Vlookup in Excel. According to some conditions in Table1, find the latest date in Table2: Table 1: Name Threshold1 Threshold2 A 9 8 B 14 13 Table 2: Date Name Value 1/1 A 10 1/2 A …
LOOKUP function in python Question: i’m kinda new to Python and i’m trying to create my very first program. I decided to make something like FX values (for example EUR/USD). So I created a list, e.g. FX_list = ("12/31/2022", 1.0666). Index [0] is representing date of FX rate, floating number[1] is it’s value. My question …
How do I replace part of string with various combinations in lookup in Python? Question: I have the following code replacing every element with it’s short form in the lookup: case = ["MY_FIRST_RODEO"] lookup = {‘MY’: ‘M’, ‘FIRST’: ‘FRST’, ‘RODEO’ : ‘RD’, ‘FIRST_RODEO’: ‘FRD’, ‘MY_FIRST’: ‘MF’, ‘MY_FIRST_RODEO’: ‘MFR’} case_mod = [] for string in case: …
How do you lookup in range Question: I have 2 data frames that I would like to return the values in a range (-1, 0, +1). One of the data frames contains Id’s that i would like to look up and the other data frame contains Id’s & values. For example, I want to lookup …
Lookup of Data from a CSV file in Python Question: How do I achieve this in Python. I know there is a vlookup function in excel but if there is a way in Python, I prefer to do it in Python. Basically my goal is to get data from CSV2 column Quantity and write the …
how to lookup between two dataframes and update the value in another df Question: I have a dataframe df1 like below – |email_id| date | |[email protected] | [‘2022-04-09’] | |[email protected] | [nan] |[email protected] | [‘2022-09-21′,’2022-03-09’] | |[email protected] | [nan, ‘2022-03-29′] | |[email protected] | [nan] | |[email protected] | [nan,’2022-09-01’] Another df df2 – |email_id| status | …
Python Replace existing column value in df based on separate lookup Code/Value (df) KeyError on columns.get_loc Question: ** Problem ** Replace existing column value in destination data frame based on separate lookup type operations to match Code/Value column in another separate source data frame, and update, e.g., replace text in destination data frame column with …
how to do lookup on two pandas dataframe and update its value in first dataframe column from another dataframe column? Question: I have 2 dataframes df and df1 – df- |system_time|status|id|date| |2022-03-04T07:52:26Z|Pending|772|2022-03-04 07:52:26+00:00| |2022-06-22T17:52:42Z|Pending|963|2022-06-22 17:52:42+00:00| |2022-08-13T01:34:44Z|Pending|1052|2022-08-13 01:34:44+00:00| |2022-08-24T01:46:31.115Z|Complete|1052|2022-08-24 01:46:31.115000+00:00| |2022-08-14T06:04:54.736Z|Pending|1053|2022-08-14 06:04:54.736000+00:00| |2022-03-04T17:51:15.025Z|Pending|772|2022-03-04 17:51:15.025000+00:00| |2022-08-24T06:24:54.736Z|Inprogress|999|2022-08-24 06:24:54.736000+00:00| df1- |id|task_status| |1052|Complete| |889|Pending| |772|Complete| |963|Pending| Type of columns in …
Lookup group quartile value based on individual value in Python DataFrame Question: I have a DataFrame df1 containing daily time-series of IDs and Scores in different countries C. For the countries, I have an additional DataFrame df2 which contains for each country 4 quartiles Q with quantile scores Q_Scores. df1: Date ID C Score 20220102 …
