Pertanyaan yang diberi tag pandas

12
Berapa banyak sel LSTM yang harus saya gunakan?

Apakah ada aturan praktis (atau aturan aktual) yang berkaitan dengan jumlah sel LSTM minimum, maksimum, dan "wajar" yang harus saya gunakan? Secara khusus saya berhubungan dengan BasicLSTMCell dari TensorFlow dan num_unitsproperti. Harap asumsikan bahwa saya memiliki masalah klasifikasi yang...

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11
Apakah ada model bahasa out-of-the-box yang bagus untuk python?

Saya membuat prototipe aplikasi dan saya membutuhkan model bahasa untuk menghitung kebingungan pada beberapa kalimat yang dihasilkan. Apakah ada model bahasa terlatih dalam python yang bisa saya gunakan? Sesuatu yang sederhana seperti model = LanguageModel('en') p1 = model.perplexity('This is a...

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10
Hubungan antara belit dalam matematika dan CNN

Saya sudah membaca penjelasan konvolusi dan memahaminya sampai batas tertentu. Adakah yang bisa membantu saya memahami bagaimana operasi ini berhubungan dengan konvolusi dalam Jaring Saraf Konvolusional? Apakah fungsi seperti filter gyang menerapkan

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10
Bagaimana cara melakukan batch product dalam Tensorflow?

Saya memiliki dua tensor a:[batch_size, dim] b:[batch_size, dim]. Saya ingin melakukan produk dalam untuk setiap pasangan dalam batch, menghasilkan c:[batch_size, 1], di mana c[i,0]=a[i,:].T*b[i,:].

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10
Kapan harus memilih regresi linier atau Pohon Keputusan atau regresi Hutan Acak? [Tutup]

Ditutup . Pertanyaan ini perlu lebih fokus . Saat ini tidak menerima jawaban. Ingin meningkatkan pertanyaan ini? Perbarui pertanyaan sehingga berfokus pada satu masalah hanya dengan mengedit posting ini . Ditutup 4 tahun yang lalu . Saya sedang

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10
Bahasa terbaik untuk komputasi ilmiah [ditutup]

Ditutup . Pertanyaan ini perlu lebih fokus . Saat ini tidak menerima jawaban. Ingin meningkatkan pertanyaan ini? Perbarui pertanyaan sehingga berfokus pada satu masalah hanya dengan mengedit posting ini . Ditutup 5 tahun yang lalu . Sepertinya sebagian...

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9
Meningkatkan kecepatan penyaringan dataframe Pandas

Saya memiliki dataset dengan 19 kolom dan sekitar 250rb baris. Saya telah bekerja dengan kumpulan data yang lebih besar, tetapi kali ini, Pandas memutuskan untuk bermain dengan saraf saya. Saya mencoba untuk membagi dataset asli menjadi 3 sub-dataframe berdasarkan beberapa aturan sederhana. Namun,...

python pandas performance
8
Menghitung indeks dalam panda

Saya merasa ini adalah pertanyaan yang belum sempurna tetapi saya sangat baru dalam hal ini dan belum bisa memecahkannya / temukan jawabannya. Pada akhirnya apa yang saya coba lakukan di sini adalah untuk menghitung nilai unik pada kolom tertentu dan kemudian menentukan nilai unik mana yang...

python pandas indexing