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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 do i use two 2 dimentional arrays to form a 3 dimentional one w... 0.00
Parse columns to reshape dataframe 0.00
Read Column Values Between Two Rows CSV Python +0.40
How to add words from a single item in a list +0.45
Want to create column with lists of unique values using groupby and... 0.00
How to calculate and display number of occurrences in R +0.89
Splitting dataframe based on multiple column values 0.00
New columns with groupby condition not working in dataframe -2.65
How to merge categories Categorical column in pandas dataframe? -0.65
Turning values into columns -0.13
Reorder list based on multiple variables -0.26
How to restructure a horizontal dataset to vertical by omitting mis... 0.00
Resampling with pandas.MultiIndex: Resampler.aggregate() & Resa... -2.18
Pandas or matplotlib falsely shifts x-values when combining multipl... 0.00
Use of datetime timedelta with numpy 3d array -0.61
Resample a dataframe with a column of lists +1.41
improve performance of double loop in pandas 0.00
How to create a column using a function based of previous values in... +1.70
How to turn a multi conditional loop into a function in Python 0.00
Reverse a Cross Tabulation or Frequency Table 0.00
How to find the missing time value using Pandas 0.00
How to split a row into new rows for every new entry of datetime? 0.00
Python create a lists from a pandas dataframe of numbers that are r... 0.00
Pandas select first row for each value group -1.34
Apply Function for Text Cleaning to Multiple Columns 0.00
How to replace a loop that looks at previous value with a formula i... +0.73
How to create two columns having cumulative sum based on a column v... +1.36
How can I get all possible permutations of a 2 by 2 matrix using a... +0.97
Countif across prior columns by row 0.00
plot 3d scatter plot from pandas data frame and colour by group -0.30
Retrieve column name based on values from cell +0.41
pandas groupby: can I select an agg function by one level of a colu... 0.00
How to perform a cumulative sum of distinct values in pandas datafr... -1.52
pandas plotting barplot with secondary y-axis: misaligned on the x-... 0.00
Converting an empty row into a columns in pandas 0.00
Manipulating Dictionary of Dataframes -1.20
Filter all rows from groupby object 0.00
pandas.groupby().plot() stacking amount of rows per group by, not a... +1.34
How to do Calculations on a Groupby Dataframe of 2 groupings 0.00
Plotting bar charts for multi level groupby dataframe 0.00
Pandas find row with closest profile 0.00
How to use distinct and where clause together in Pandas? -1.18
How to add prefix to multi index columns at particular level? +2.34
Fill NaN based on previous value of row +3.00
Merge multiple dataframes in pandas -0.90
Multiplying leading diagonal values in Pandas? -0.17
Pandas - how to get mean of each level of many categorical columns? 0.00
Apply conditional groupby +0.03
How to plot pandas dataframe column with x-axis defined by two othe... -0.04
pandas select rows where datetime error occurs +1.63