Cov txheej txheem:
Video: Kuv nyeem JSON li cas rau pandas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Yuav ua li cas Load JSON String rau hauv Pandas DataFrame
- Kauj ruam 1: Npaj cov JSON Txoj hlua. Rau pib nrog ib qho piv txwv yooj yim, cia peb hais tias koj muaj cov ntaub ntawv hauv qab no txog cov khoom sib txawv thiab lawv cov nqi:
- Kauj ruam 2: Tsim cov JSON Cov ntaub ntawv. Thaum koj muaj koj JSON txoj hlua npaj, txuag nws hauv a JSON ntaub ntawv.
- Kauj Ruam 3: Thauj khoom tus JSON Cov ntaub ntawv hauv Pandas DataFrame .
Yog li ntawd, pandas puas tuaj yeem nyeem JSON?
Manipulating cov JSON yog ua tiav siv lub Python Data Analysis Library, hu ua pandas . Tam sim no koj tau nyeem tus JSON thiab txuag nws li ib pandas cov ntaub ntawv qauv, siv cov lus txib read_json. Nested JSON Parsing nrog Pandas : Nested JSON cov ntaub ntawv ua tau yuav siv sij hawm ntev thiab nyuaj txheej txheem kom flatten thiab thauj rau hauv Pandas.
Tsis tas li ntawd, kuv yuav thauj cov ntaub ntawv li cas rau hauv pandas? Load CSV cov ntaub ntawv rau Python Pandas
- # Xauv lub tsev qiv ntawv Pandas nrog alias 'pd'
- import pandas li pd.
- # Nyeem cov ntaub ntawv los ntawm cov ntaub ntawv 'filename.csv'
- # (hauv tib phau ntawv uas koj cov txheej txheem python yog raws)
- # Tswj tus lej, kab, kab npe nrog read_csv (saib tom qab)
- data = np.
- # Saib ua ntej 5 kab ntawm cov ntaub ntawv thauj khoom.
Hais txog qhov no, kuv yuav nyeem JSON cov ntaub ntawv hauv Python li cas?
Kev tawm dag zog
- Tsim cov ntaub ntawv Python tshiab rau JSON import.
- Crate ib phau ntawv txhais lus nyob rau hauv daim ntawv ntawm ib txoj hlua siv raws li JSON.
- Siv JSON module los hloov koj txoj hlua rau hauv phau ntawv txhais lus.
- Sau ib chav kawm kom thauj cov ntaub ntawv los ntawm koj txoj hlua.
- Instantiate ib yam khoom los ntawm koj chav kawm thiab luam ib co ntaub ntawv los ntawm nws.
JSON parsing yog dab tsi?
JSON yog hom ntawv specification raws li hais los ntawm tus so. Parsing JSON txhais tau tias txhais cov ntaub ntawv nrog txhua yam lus koj siv tam sim no. Thaum peb parse JSON , nws txhais tau hais tias peb tab tom hloov txoj hlua rau hauv a JSON kwv yees los ntawm kev ua raws li cov lus qhia tshwj xeeb, qhov twg peb tuaj yeem siv tom qab txhua yam peb xav tau.
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