I have a large spreadsheet file (.xlsx) that I’m processing using python pandas. It happens that I need data from two tabs (sheets) in that large file. One of the tabs has a ton of data and the other is just a few square cells.
I’m trying to compare a string called facility to multiple possible strings to test if it is valid. The valid strings are:
I have a data frame with three string columns. I know that the only one value in the 3rd column is valid for every combination of the first two. To clean the data I have to group by data frame by first two columns and select most common value of the third column for each combination.
I have a few related questions regarding memory usage in the following example.
>>> range(1,11) gives you [1,2,3,4,5,6,7,8,9,10] Why not 1-11? Did they just decide to do it like that at random or does it have some value I am not seeing? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please … Read more
I have two lists, the first of which is guaranteed to contain exactly one more item than the second. I would like to know the most Pythonic way to create a new list whose even-index values come from the first list and whose odd-index values come from the second list.
I get the following error when attempting to install psycopg2 via pip on Mavericks 10.9:
In [55]: a = 5 In [56]: b = 6 In [57]: (a, b) = (b, a) In [58]: a Out[58]: 6 In [59]: b Out[59]: 5 How does this swapping of values of a and b work internally? Its definitely not using a temp variable. Answers: Thank you for visiting the Q&A section on … Read more
I am trying to urlencode this string before I submit.