Questions tagged [interpolation]
Interpolation is a set of methods to construct intermediate points between known points.
28 questions
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38 views
Deconvolution, NN-resize convolution
I was reading following paper: Deconvolution and Checkerboard Artifacts. The text says that Both deconvolution and the different resize-convolution approaches are linear operations, and can be ...
0 votes
1 answer
105 views
What are good strategies to teach Prophet to interpolate data?
I have a few years worth of temperature data that is often sampled every ~20 minutes, but there are also gaps, could be many days of gaps, although more commonly an hour or two. I thought to use ...
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1 vote
1 answer
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Modelling a 3-variable system, with separate relations between two pairs
I am having some trouble approaching some data modelling of the following structured dataset I'm trying to analyse, and then creating a surface from it. So I have 3 variables: say x, y, and z (...
3 votes
1 answer
47 views
Is there a method to impute missing temperature values in time series that considers external factors?
I have 10 day temperature forecast data that is hourly initially and then every 3 hours. I would like to predict the hourly values for the full 10 days. Linear interpolation fails as sunrise and other ...
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1 answer
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i am trying to get the the variance of derivative of order 2. i only have the data of an EEG signal sampled at 128 Hz. is the below code correct
I basically want to implement equation 7 present in the added image ...
-1 votes
1 answer
180 views
Can Machine Learning Algorithms Process Contextual Features for Regression?
Take Figure 1 showing point interpolation, where point L0 is being interpolated using points L2 and L1 and the distances L11, L12, L21, and L22. Whilst the graph shows a linear interpolation example, ...
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2 votes
1 answer
337 views
Should I remove or interpolate missing values?
I have a dataset containing a very long time series of hourly traffic congestion in a certain city, during a period of ~22 years (number of data points: Roughly 24 X 365 X 22 = 192720). I want to use ...
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0 votes
1 answer
41 views
Interpolating missing data given county and state totals
Problem: I have population data for states and their constituent counties over several years. Each row is uniquely identified by a state/county and a year. There are four population columns: ...
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70 views
Understanding the working of 'Interpolation'
'Interpolation' is a technique that is used to predict a null/empty value by studying its neighbouring points. Interpolation doesn't take into consideration the entire dataset when predicting the ...
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What approaches can I take to reconstruct missing climate data?
I have climate datasets consisting of tables where each row has four elements: latitude, longitude, rainfall, and timestamp. This dataset covers the entirety of the planet. However this dataset is ...
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How to mathematically calculate individual pixel values after each image rotation?
If I have an image that is being rotated using OpenCV in python, about its centre, How do I mathematically calculate the pixel values after each rotation? A python code for this operation would be ...
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1 vote
2 answers
814 views
Interpolate a point in time for two given geolocations and their times in python
Let's say I have two geolocations at given times. How can I interpolate these two geolocation and find any location for a given time time3 in python? ...
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726 views
what exactly is the "order"-parameter in pandas interpolation?
what exactly is the "order"-parameter in pandas interpolation? it is mentioned in the doc: ...
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721 views
how many rows does pandas' interpolate consider? [closed]
How does pandas' DataFrame.interpolate() work in relation to the amount of rows it considers: is it just the row before the NaNs and the row right after? Or is it the whole DataFrame (how does that ...
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620 views
How to impute the missing values in time series for long periods
I have electrical consumption data between 2016-2019. The data was recorded every 30 minutes for 4 years. There is no data between 13/03/2019 - 31/03/209. I started with ...
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