How to change array([list([ into array([])

Question

I did tfidf with manual syntax and I got the results of the tf idf vector in the form of a data series. the data is as follows:

print(type(dataset["TFIDFVec"]))
print(dataset["TFIDFVec"])

<class pandas.core.series.Series>
0       [0.0, 0.6307448112902039, 0.0, 0.0, 0.0, 0.0, ...
1       [0.0, 0.0, 1.3985703304477997, 0.0, 0.0, 0.0, ...

I want to convert it to an array. I use to_numpy() code but it output list in array. what I tried is the following:

tfidffixarr = dataset["TFIDFVec"].to_numpy()
tfidffixarr

array([list([0.0, 0.6307448112902039, 0.0, 0.0,...,0.0]),
      list([0.0, 0.0, 0.0, 0.0,...,0.0])],

I want it to be jut like this:

[[0 0.6307448112902039 0,..., 0 0 0]
 [0 0 0 ,..., 0 0 0]
 [0 0 0 ,..., 0 0 0]]

Does anyone know how to fix it?

Does this answer your question? Pandas convert columns type from list to np.array — G. Anderson
– G. Anderson, Commented Mar 2, 2023 at 0:44

Hanwei Tang · Accepted Answer · 2023-03-02 00:50:09Z

1

To Python list:

list(dataset["TFIDFVec"])

answered Mar 2, 2023 at 0:50

Hanwei Tang

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