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Showing posts with the label Datetime

Pyspark: Inconsistency In Converting Timestamp To Integer In Dataframe

I have a dataframe with a rough structure like the following: +-------------------------+----------… Read more Pyspark: Inconsistency In Converting Timestamp To Integer In Dataframe

Rounding Datetime Based On Time Of Day

I have a pandas dataframe with timestamps shown below: 6/30/2019 3:45:00 PM I would like to round … Read more Rounding Datetime Based On Time Of Day

Extract Date From String Datetime Column In Pandas

I have a column cash_date in pandas dataframe which is a object. I am not able to use pandas to_dat… Read more Extract Date From String Datetime Column In Pandas

How To Correctly Use Pandas Agg Function When Running Groupby On A Column Of Type Timestamp/datetime/datetime64?

I'm trying to understand why calling count() directly on a group returns the correct answer (in… Read more How To Correctly Use Pandas Agg Function When Running Groupby On A Column Of Type Timestamp/datetime/datetime64?

Time Interval Overlap In Python

Suppose I have list of time interval like a = [datetime.time(0,0),datetime.time(8,0)] Now I Have l… Read more Time Interval Overlap In Python

Pd.to_datetime Returns An Object, Not A Time Series

I am trying to convert my column in a df into a time series. The dataset goes from March 23rd 2015… Read more Pd.to_datetime Returns An Object, Not A Time Series

Django - Comparing Datetime Field With Server Time In Template Tags

I have an app with the following models.py file: from django.db import models import datetime clas… Read more Django - Comparing Datetime Field With Server Time In Template Tags

Print Date Of Last Tuesday Of Each Month Of Next Year Using Python

How can I print the date of the last Tuesday of each month for next year using Python. For example … Read more Print Date Of Last Tuesday Of Each Month Of Next Year Using Python

Efficient Timedelta Calculator

I have a time series data from a data logger that puts time stamps (in the form of dates MM--DD-YY … Read more Efficient Timedelta Calculator

Python Pandas Parse Date Without Delimiters 'time Data '060116' Does Not Match Format '%dd%mm%yy' (match)'

I am trying to parse a date column that looks like the one below, date 061116 061216 061316 061416 … Read more Python Pandas Parse Date Without Delimiters 'time Data '060116' Does Not Match Format '%dd%mm%yy' (match)'

Remove Time From Pandas Datetime On Excel Export

I have a Pandas Dataframe queried with pyODBC that returns 'dates' as floats. I change the… Read more Remove Time From Pandas Datetime On Excel Export

Pythonic Difference Between Two Dates In Years?

Is there a more efficient way of doing this below? I want to have the difference in years between t… Read more Pythonic Difference Between Two Dates In Years?

Converting Datetimes To Timestamps And Back Again

I'm having some trouble with datetime in Python. I tried converting a datetime to a timestamp a… Read more Converting Datetimes To Timestamps And Back Again

Attributeerror: 'str' Object Has No Attribute 'to_datetime'

I have a code that reads an excel data sheet (a table) into a DataFrame and convert a 'date'… Read more Attributeerror: 'str' Object Has No Attribute 'to_datetime'

Python Get Whole Hour Values Between 2 Datetime Objects

I have 2 datetime values: 'start' and end'. I'd like to return a list of all the da… Read more Python Get Whole Hour Values Between 2 Datetime Objects

Pandas Date_range - Subtracting Numpy Timedelta Gives Odd Result, Time Becomes Not 0:00:00

I am trying to generate a set of dates with pandas date_range functionality. Then I want to iterate… Read more Pandas Date_range - Subtracting Numpy Timedelta Gives Odd Result, Time Becomes Not 0:00:00

Efficiently Convert Timezones In Pandas Dataframe

I have a large pandas dataframe (tens of millions of rows) which includes a column for UTC time and… Read more Efficiently Convert Timezones In Pandas Dataframe

Convert Utc Datetime With Timezone To Local

I have a string with a date in UTC and tzinfo 'Thu, 01 Oct 2015 00:02:01 +0200' How can I … Read more Convert Utc Datetime With Timezone To Local

Python Pandas - Pd.melt A Dataframe With Datetime Index Results In Nan

I have the following dataframe (sim_2005): Date ELEM1 ELEM2 ... ELEM1133 2005-01-01 0.021… Read more Python Pandas - Pd.melt A Dataframe With Datetime Index Results In Nan

How To Remove Duplicate Timestamp Overlaps And Add Column In The Original Dataframe From Zipped List Findings

I have two columns in my dataframe 'START_TIME' and 'END_TIME' which i zipped into … Read more How To Remove Duplicate Timestamp Overlaps And Add Column In The Original Dataframe From Zipped List Findings