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rafaelc

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1659.04 (442nd) 		Reputation
30,016 (4,086th)
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Title Δ
Selecting Pandas Dataframe satisfying membership +2.63
Create new column returning true/false if names in two columns matc... +3.05
pandas - Copy each row 'n' times depending on column value -2.20
Find and replace semi-common strings in dataframe? -1.80
Pandas - Converting every hour of an event duration to a separate row +0.36
pandas return subset based on columnA.isin.list(columnB) 0.00
Calculate number of value repetition inside column and move calcula... -0.70
Use value in another column's previous row by group 0.00
How to extract first element of a tuple, which is a column in a dat... +0.77
cast value as negative float if there is a "-" sign at th... +2.22
Pandas series str.extract fails to match RegEx Pattern -1.80
Check if column in dataframe is missing values 0.00
str(list[index]): IndexError: list index out of range 0.00
How do I use `np.where()` to compare the arrays not individual values +0.31
How to convert string columns to numeric values without getting NaN... 0.00
Creating dataframe column with text strings from dummy columns +0.36
How to sum values in a column using conditional statements of other... -0.88
count consecutive occurrences by condition in pandas +2.22
Applying functions declared as strings to a pandas dataframe 0.00
assign elements in a list to different columns in a dataframe +1.39
How to remove extra backslashes from the output of pandas.to_latex? 0.00
Update nodal values without for loop using numpy -1.16
Use first line words before colon to create column headers and remo... +0.33
Split sentences in pandas into sentence number and words -0.38
Can you join dataframes with multiple keys in one of the joining co... +0.08
Python: How to convert whole array into int +0.33
Need help creating a pseudo-dummy variable that instead of '1&#... 0.00
How to get indices list for rows starting with lower case letter? -0.07
How can I periodically skip rows reading txt with pandas? +0.37
Compare content of two pandas dataframes even if the rows are diffe... +0.89
Trouble aligning conditional column in multi-index to the same index -0.81
Comparing two columns and keeping NaNs -1.55
How to calculate average index place for each item -1.88
Joining dataframes by the columns with same names -1.90
How to edit cells in a Pandas DataFrame without header? 0.00
Pandas groupby transpose -0.87
Python: From dictionary to csv with replicating keys by the length... -1.91
Convert array and tuple elements to columns in a Pandas dataframe 0.00
Pandas Dataframe: Update values in a certain columns for last n rows +0.33
ValueError in df.transform(lambda x: 0 if (x == 0) else (-np.log(-x... 0.00
How to get values on one dataframe based on the position of a value... +0.33
How to reindex data frame in Pandas? -1.87
Indexing a dataframe from a dataframe of row indexes 0.00
Convert a dictionary which values are different-length lists into a... -1.94
python pandas difference between df_train["x"] and df_tra... 0.00
Removing dash string from mixed dtype column in pandas Dataframe +0.34
Pandas dataframe - add 'position index' based on condition -1.20
Python - Group columns with same first five characters 0.00
Create a month for every date between a period and make them columns +2.07
Concatenate a DataFrame column into a String +2.09