Skip to content
Advertisement

Tag: datetime

Taking the recency time of client purchase with PySpark

The sample of the dataset I am working on: I’d like to take the customer’s most recent purchase (the customer’s date.max()) and the previous maximum purchase (the penultimate purchase) and take the difference between the two (I’m assuming the same product on all purchases). I still haven’t found something in pyspark that does this. One example of my idea was

MyPy complains about datetime difference

MyPy complains about the line of code where bar is assigned the difference of two datetimes. The type of foo is datetime.timedelta. The error message from MyPy is “int not callable”. What am I missing? Answer This turned out to be a known issue. For details, see the following: https://github.com/python/mypy/issues/11613

Attempting to introduce dynamic variables causes a toordinal error

I’m trying to make the generation of charts a little bit more dynamic so other users can get a bit more value out of my code. Currently, I do this (and variations of it) to produce a variety of charts: And this works perfectly well, but involves people scrolling through the code to individually change the data. What I’ve attempted

How can I fix the list index out of range problem?

So I wanna fill NaN value of the pay date with the date one month after the join date. Join date Payday1 Okt’10 NaN Des’10 NaN My expectation output is: Join date Payday1 Okt’10 Nov’10 Des’10 Jan’11 I try this code: This code is error in this code month=months[months.index(month)+1], it said list index out of range. So how to fix

convert month of dates into sequence

i want to combine months from years into sequence, for example, i have dataframe like this: i want to sequence the months of the date. the desired output is: which means feb’15 is the first month in the date list and jan’2016 is the 12th month after feb’2015 Answer If your date column is a datetime (if it’s not, cast

Advertisement