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Quang Hoang

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1649.33 (578th) 		Reputation
2,157 (78,028th)
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Title Δ
How to add new rows of values for a distinct column value in pandas -0.55
numpy filter across dimensions for specific values 0.00
Operations with Timestamp 0.00
Python - [Pandas / Lists / Numpy?] Select recipes randomly to creat... 0.00
How can i find unique record in python by row count? 0.00
How can we replace NaNs in only specific rows? +0.73
How to get the values of Pandas Series at previous business date at... -0.55
Pandas.DataFrame: efficient way to add a column "seconds since... +2.11
How to "partially transpose" dataframe in Pandas? 0.00
Pandas select specific lower-level columns in MultiIndex DataFrame 0.00
Pandas Timeseries: Keep only one value peer week and id 0.00
How to aggregate the dataframe under three requirements? +0.10
Join columns names with values of given column 0.00
Pandas Pivot Table with 3 levels of Multi-indexing -2.41
Pandas Finding cross sell in two columns in a data frame -0.70
Python pandas dataframe check if values of one column is in another... +0.86
Merge dataframes via columnwise in a directory with common columns +0.36
Updating DataFrame column where another column matches the keys in... 0.00
Pandas - Use column contents to lookup index +0.38
Identify Minimum Value Within Group and Set Column Equal to A Diffe... -0.96
dataframe.hist() with different bin size 0.00
Replace value with NaN based on previous and subsequent values in t... -1.98
Is it possible to pivot a dataframe and get monthly aggregation? 0.00
How to shift timestamp for the rows in dataframe on the specific date +0.35
Pandas : how do I create a column based on data from the same dataf... +1.22
Collecting same months of each years in the index of dataframe +0.48
bar chart legend based on coloring of bars by group not value -2.45
pandas get row with min column value per group +2.05
Is there a way to replace each cell value in a dataframe with the c... +0.92
Update a column in one dataframe with a condition from another data... -1.89
pandas: how to generate a new column to get another column's va... 0.00
How would you optimize this short but very slow Python loop? +2.05
How do I apply the string split method on a pandas dataframe based... -1.19
computing rolling slope on a large pandas dataframe 0.00
Pandas: Get the col name for the min value within each row and get... -0.78
How to do multiple types of joins together on 4 data frames in pandas 0.00
how can I clean this data type object and transform it to type floa... +1.67
Pandas with mapped modification +2.15
Replacing Values in a Column on the Basis of n Consecutive Entries +0.74
How to expand/add rows by year? +2.05
filter on pandas array +0.46
Pandas - max value in a cell and save rows corresponded to it +2.19
pandas merge two columns with customized text -1.02
How to calculate the mean/median/standard deviation of multiple mat... -1.87
How to pad with trailing zeroes when datetime formatting in pandas -1.27
Counting True / False values in unique columns per rows in Pandas -0.97
Add one new value to the equation till the condition will be met -2.23
Pandas regex, replace group with char +0.86
Difference of one multi index level +2.25
Pandas - concat two df along non-index axis, merge rows that have s... +0.50