Cov lus teb zoo tshaj: Kuv yuav ua li cas thiaj li tau txais txiaj ntsig tshwj xeeb los ntawm kab hauv Unix?

How do I get unique values of a column in Unix?

2 Alternatives + Xa Alt

  1. Display unique values of a column. the column number is ‘6’ cut -d’,’ -f6 file.csv | sort | uniq. richie · 2013-04-10 14:05:32 1.
  2. Display unique values of a column. 3 is the column’s number. -3. cut -f 3 | uniq. flxndn · 2012-06-06 10:48:41 2.

How do you get a unique value from a column?

Filter for unique values or remove duplicate values

  1. Txhawm rau lim rau cov txiaj ntsig tshwj xeeb, nyem Cov Ntaub Ntawv> Xaiv & Lim> Advanced.
  2. Txhawm rau tshem tawm qhov tseem ceeb, nyem Cov Ntaub Ntawv> Cov Cuab Yeej Cov Ntaub Ntawv> Tshem Tawm Duplicates.
  3. To highlight unique or duplicate values, use the Conditional Formatting command in the Style group on the Home tab.

Kuv yuav tau txais cov ntaub ntawv tshwj xeeb hauv Unix li cas?

Cia peb tam sim no pom ntau txoj hauv kev los nrhiav cov ntaub ntawv duplicate.

  1. Siv txheeb thiab uniq: $ txheeb cov ntaub ntawv | uniq -d Linux. …
  2. awk txoj kev nqa cov kab duplicate: $ awk '{a[$0]++}END{for (i in a)if (a[i]>1)print i;}' file Linux. …
  3. Siv perl txoj kev:…
  4. Lwm txoj hauv kev perl:…
  5. Ib daim ntawv plhaub los nqa / nrhiav cov ntaub ntawv duplicate:

How do I get unique values in Linux?

uniq Command hauv LINUX nrog piv txwv

  1. Syntax ntawm uniq Command:…
  2. Kev xaiv rau uniq hais kom ua:…
  3. Siv -c kev xaiv : Nws qhia cov sij hawm ib kab rov ua dua. …
  4. Siv -D kev xaiv : Nws kuj luam tawm tsuas yog cov kab sib npaug tab sis tsis yog ib pab pawg. …
  5. Siv -u kev xaiv : Nws luam tawm cov kab tshwj xeeb xwb.

Kuv yuav luam ib kab hauv Linux li cas?

Yuav ua li cas…

  1. Txhawm rau luam tawm kab thib tsib, siv cov lus txib hauv qab no: $ awk '{ print $5 }' filename.
  2. Peb tseem tuaj yeem luam tawm ntau kab thiab ntxig peb txoj hlua kev cai rau ntawm txhua kab. Piv txwv li, txhawm rau luam cov ntawv tso cai thiab npe ntawm txhua cov ntaub ntawv hauv cov npe tam sim no, siv cov lus txib hauv qab no:

How do I find unique values in a column in Python?

Peb ua tau use Pandas unique() function on a variable of interest to get the unique values of the column. For example, let us say we want to find the unique values of column ‘continent’ in the data frame. This would result in all continents in the dataframe. We can use pandas’ function unique on the column of interest.

Kuv yuav tshem tawm cov kab sib tshooj hauv Unix li cas?

Koj yuav tsum siv lub plhaub kav nrog rau ob qho hauv qab no Linux hais kom ua kab hluav taws xob los txheeb xyuas thiab tshem tawm cov kab ntawv sib tshooj:

  1. sort command - Xaiv cov kab ntawm cov ntawv nyeem hauv Linux thiab Unix-zoo li tshuab.
  2. uniq hais kom ua - Rport lossis tshem tawm cov kab rov ua dua ntawm Linux lossis Unix.

Kuv yuav ua li cas thiaj tau cov kab tshwj xeeb hauv cov ntaub ntawv?

Nrhiav cov kab tshwj xeeb

  1. Cov ntaub ntawv yuav tsum tau txheeb ua ntej. hom ntaub ntawv | uniq -u yuav tso zis rau console rau koj. — mav 77c. …
  2. Kuv xav tias yog vim li cas txheeb cov ntaub ntawv | uniq qhia tag nrho cov txiaj ntsig 1 lub sijhawm yog vim nws tam sim luam tawm kab nws ntsib thawj zaug, thiab rau qhov kev sib ntsib tom ntej, nws tsuas yog hla lawv. - Reeshabh Ranjan.

Koj pom cov lus rov qab li cas hauv Linux?

Piav qhia

  1. Ua ntej koj tuaj yeem tokenize cov lus nrog grep -wo, txhua lo lus raug luam tawm ntawm ib kab lus.
  2. Tom qab ntawd koj tuaj yeem txheeb cov lus tokenized nrog txheeb.
  3. Thaum kawg tuaj yeem nrhiav cov lus sib law liag lossis sib npaug nrog uniq . 3.1. uniq -c Qhov no sau cov lus thiab lawv suav.
Zoo li cov ncej no? Thov qhia rau koj cov phooj ywg:
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