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Psidom

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Title Δ
How to access DataFrame column created with DataFrame.groupby 0.00
R dplyr: how to remove smaller groups? +1.53
groupby, sum and count to one table +2.01
How to use vectorized function to check across columns in data frame 0.00
python regex to split list entry's name into list name and index +1.48
Confused about passing by reference in this Python function -0.60
Remove columns where all items in column are identical (excluding h... 0.00
Scientific notation last digits omitted as zeros when write.csv 0.00
Use mutate_at to change multiple column types -2.21
R retrieving values from inside a data frame in a list +0.58
Weird ordering of time with dplyr and lubridate +0.34
Using tryCatch to bypass the error messages with read.zoo in a loop 0.00
Conditionally fill column by other columns values +0.38
Change values for a random selection of a data.table subset +2.30
how to sum complicated condition in pandas dataframe 0.00
Replacing plot number with sequential numbers using R, each plot ha... 0.00
Count the number of occurrences of two characters in python column 0.00
Regex to parse out a part of URL +0.77
Extract diagonal from distance matrix using R 0.00
How to efficiently extract numbers from text in a data.table column... +1.40
Add a value to the end of a pandas index object -1.25
pivot_table No numeric types to aggregate -1.45
python pandas: merge two data frame but didn't merge the repeat... 0.00
split string on commas but ignore commas with in single quotes and... +1.58
how to split 'number' to separate columns in pandas DataFrame -0.49
Matching and Replacing values of a column in a dataframe by date in r 0.00
How do you convert a list of nested lists into a list of lists with... 0.00
Plot or reshape 2D array matplotlib -0.40
Grouping variables based on location, year and person name +0.27
How to sum list of tuples? +0.49
R: transforming one column to another 0.00
pandas: dataframe from dict with comma separated values -0.10
How do I extract hour from datetime column which has values in diff... -0.61
I have a nested list, but i want to add a nested list inside the ne... +0.10
Python list slicing -0.64
Attempting to extract the highest value for each combination of two... +1.38
calculations for different columns in a numpy array -1.51
How to sort entire dataframe by one row's content 0.00
how to pivot complex dataframe -2.58
Python: convert numpy array of signs to int and back -1.29
Print a list of every combination of dictionary keys with the assoc... -0.85
How to combine two data frames where only one column is same in two... +0.85
Pandas Python - get value counts by grouped values +1.54
How to replace the for loop by faster option in Python +0.37
Pandas Multiindex selecting list of columns from given level -1.81
Python Pandas Create Records from Complex Dictionary -0.88
How do I build a Multiple Criteria Index in R, incorporating > a... 0.00
Sorting a List of Lists +0.37
Efficient Date Differencing in data.table +0.38
Split the character vector into two parts +0.35