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Psidom

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1713.63 (95th) 		Reputation
135,522 (452nd)
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Title Δ
Counting number of duplicate occurences [R] -3.18
pandas: identifying if a first character in an entry is a letter or... -3.06
Spark (scala) dataframes - Check whether strings in column contain... -0.13
dplyr duplicate each line by a sequence +0.85
compare two different lines and columns dataframe in pandas 0.00
Remove last special character in r 0.00
accessing both axes with pandas apply function 0.00
Create a column of bools from a pandas DataFrame where True indicat... 0.00
Assembling an array without looping in R +0.18
Convert Array presented as String -0.39
How can I efficiently convert a 4D numpy array into a pandas DataFr... +1.07
Add n zeros to the end of an array 0.00
Python Numpy: Extracting a row from an array +1.69
How to Transform Spark Dataframe column for HH:MM:SS:Ms to value in... +1.00
Split Multiple Value Types in Same Column -0.75
Using Pandas Data Frame how to apply count to multi level grouped c... +1.62
Use dplyr coalesce in programming +0.87
Dividing 2 values in a column of dataframe based on common value in... 0.00
Transform a data.table with vertical relationships into a table wit... -2.57
tidyr/data.table: gather/melt only values, discard keys 0.00
Issues deleting this specific row from Pandas? 0.00
Filter and Map on Array of Objects -1.47
Efficient way to subtract each element of list from itself in Python 0.00
Array transformation for KerasR LSTM in R 0.00
Hot-encoding: missing columns 0.00
Conditional and grouped summaries by week dplyr +0.94
How to locate the name, and list, of an array within an object in J... -0.92
find and replace with Beautifulsoup 0.00
Make a histogram of dtypes 0.00
pandas: cannot do positional indexing on DatetimeIndex with these i... 0.00
convert first letters of string in a column of a dataframe to lower... -0.94
pySpark/Python iterate through dataframe columns, check for a condi... -0.76
What's the idiomatic way to perform an aggregate and rename ope... +0.24
Find unique rows +0.90
Simultaneous changing of python numpy array elements 0.00
encoding/factoring lists in pandas dataframe +0.92
Pandas: combine groupby-apply with join/merge 0.00
How to "zip" several N-D arrays in Numpy? +1.24
Conditional and grouped mutate dplyr +0.23
Make variants based on alphabet-number junction in regex +1.83
melt the lower half from systematic matrix in R +0.88
How can I calculate the ratio of a value in array to the sum of arr... 0.00
Can I create multiple columns from a single group by mutate? 0.00
Iterating over string to create array of Lat Long coordinates +0.73
Pandas: change values in group to minimum 0.00
Duplicate array dimension with numpy (without np.repeat) 0.00
How would I get the specific object in json stringify output? +1.02
How to substitute all values of a certain key in an array of JSON o... +1.40
Pandas - For a given column value in a row return the value from th... 0.00
Negative multidimensional arrays index js 0.00