Questions tagged [reindex]
459 questions
1
vote
1 answer
Remove key from mixed array and reindex
I am new to postgresql with php. I get below array using pg_fetch_array() function.
Array
(
[0] =>
[name] =>
[1] => 1
[status] => 1
[2] => C2005
[code] => C2005
)
after removing index 1 and value of key status, i have to…

deltaforce
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1 answer
How to fill in a dataframe with values from file
I have created a data frame with columnnames and rows. For example
a b c d
1 Nan Nan Nan Nan
2 Nan Nan Nan Nan
3 Nan Nan Nan Nan
Now, I want to fill in the dataframe with values from a tsv file. My file is as follows:
1 b 80
2 c 90
3…

Gravel
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1
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1 answer
Python - Restructure Dataframe, move column names to rows, reshape dataframe
I need to transform df1 to df2:
import pandas as pd
from pandas import DataFrame, Series
import numpy as np
df1 = pd.DataFrame(index=['date_1', 'date_2', 'date_3'],
columns=["A_count", "A_dollar", "B_count", "B_dollar"],
…

DanZimmerman
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1
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2 answers
reindex while converting a string value of a specific field (present in old index) into a number field value (in the new index)
Could I ask, how could I reindex while converting a 'string' field e.g. "field2": "123.2" (in old index documents) into a float/double number e.g. "field2": 123.2 (intended to be in the new index) ? This post is the closest I could get, but I do not…

leeway
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1
vote
1 answer
How can I delete my entire Elasticsearch db and resend all the logs?
I've got ELK + filebeat installed and I have recently started filtering my syslogs differently with a SYSLOG5424LINE logstash filter, since the syslog priority was defaulting to notice. This created some new indices in my syslog documents in…

Celi Manu
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1
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1 answer
pandas reindexing error while using loc to create a new data frame
There are many questions on re indexing, I tried the solutions but they dint work for my code, may be i got something wrong, I have a data set with two variables patnum(ID), vrddat(Date) and I'm using below code to get the data frame after applying…

Haritha
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1
vote
1 answer
Magento 2 Products not found during Catalog Search reindex
We are working on Magento 2.1.0
We are facing an issue of no products found during catalog search reindexing. As we have a large catalog, this process is taking a good time to get completed and during that time website is not showing any…

Dimple Patel
- 11
- 3
1
vote
1 answer
Adding missing dates to dataframe using reindex replaces data
I am trying to add missing dates to my dataframe.
I have seen this posts: reindex and reindex2.
When I try to reindex my dataframe:
print(df)
df = df.reindex(dates, fill_value=0)
print(df)
I get the following output:
_updated_at Name …

archienorman
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1
vote
1 answer
What is a pythonic way of populating in a dataframe from a csv file that has only few rows?
I have a csv file that has only the two following rows:
ID CODE DATE STARTDATE AVERAGE1 AGGREGATE MEDIAN1 MEDIAN2 AVERAGE2 AVERAGE3 POSITION
123 112 2016OCT25 2016OCT25 821 3 …

Ruffy26
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1
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0 answers
MySQL auto_inc reindex with foreign key
I have 2 tables, A and B.
A and B are have three columns.
Here is the structure of A:
id,name,phone
Here is the structure of B:
id,Aid,name
The "Aid" is related to "id" of table A. you know, foreign key.
The "id" of table A is auto_inc, but I want…

Legend Chen
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1
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0 answers
getting "ValueError: cannot reindex from a duplicate axis" but axis has no duplicates
I am just learning python and run into a question. Any help is appreciated.
So I am trying to Interpolating one time series onto another in pandas. To do this, I need to reindex a concatenated dataframe.…

sw007sw
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1
vote
2 answers
reindex some DataFrame columns to multi index
At some point in my workflow I end up with a regular pandas DataFrame with some columns and some rows. I want to export this DataFrame into a latex table,using df.to_latex(). This worked great, however, I know want to use multicolumn where some…

Nras
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1
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1 answer
Showing empty rows when using `reindex`
I'm having some difficulties using reindex() to count various combinations in my DataFrame.
The code below reproduces my problem:
a = [
['Brand A' if i==0 else 'Brand B' for i in np.random.randint(0,2,size=(100,))],
['Type 1' if i==0 else…

Diziet Asahi
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1
vote
2 answers
Are PostgreSQL tables automatically re-indexed after an update?
If I index a PostgreSQL table and then update it, do I need to re-index the table or is it automatically re-indexed?
Can someone provide a link to PostgreSQL documentation for further reading? I've got this so…

Alan Kavanagh
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0 answers
Titan graph database re-indexing procedure
I have used Titan graph database with Cassandra and Solr in production environment. Currently our application is deployed and minor down-time is acceptable. Unfortunately due to some changes in schema we need to re-index the whole Titan graph…

Ali
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