Questions tagged [reshape]

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1answer
54 views

Modifying U-Net implementation for smaller image size

I'm implementing the U-Net model per the published paper here. This is my model so far: ...
0
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1answer
17 views

Condense matrix of values into one column?

I have a dataset where I have unnecessarily duplicated column variables that I want to condense down. I wish the output wasn't so clumsy and I've already had to do some work to transform it and make ...
3
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1answer
676 views

How to slice an input in keras?

I give to keras an input of shape input_shape=(500,). For some reasons, I would like to decompose the input vector into to vectors of respective shapes ...
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2answers
162 views

Problem in input shape Keras-LSTM [closed]

I want to make a predictor using Keras LSTM model. I have a sequence of places visited. The task is to predict the last destination. I went through different examples but it seems I am not able to ...
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0answers
79 views

pandas: reshaping the dataset, moving column name as rows [closed]

I currently have the following table: ...
0
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1answer
245 views

ValueError: Error when checking input: expected the_input to have 3 dimensions, but got array with shape (14174, 1)

hope you're all doing good ! I am working on Automatic Speech Recognition with Python with the LibriSpeech Dataset. After preprocessing the audios data and applying an "MFCC featurizing" I ...
-1
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1answer
24 views

How can I reshape this array?

I have few difficulties in picking values from an array. Here is a simplified version of the concerned part of the code. (If you would like to put the whole code please mention it) ...
1
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1answer
409 views

Scalling and unscalling of data for SVR prediction

I'm trying to use SVR to predict a certain feature. I create the model with the following code: ...
1
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1answer
11k views

ValueError: Shapes are incompatible when fitting using ImageDataGenerator

I got this error ValueError: Shapes (None, 1) and (None, 3) are incompatible when training my Sequential model. I could not figure out which shapes are actually ...
0
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0answers
29 views

Alternatives to reshaping the data

I have a medical dataset which looks like this: ...
1
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1answer
93 views

Keras loaded model output is different from the training model output

When I train my model it has a two-dimension output - it is (none, 1) - corresponding to the time series I'm trying to predict. But whenever I load the saved model in order to make predictions, it has ...
0
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1answer
36 views

Reshaping Pandas DataFrame

I am trying to do the following as shown below. ...
1
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2answers
2k views

Data Reshaping for CNN using Keras

I'm a beginner in Keras. I've loaded MNIST dataset in Keras and checked it's dimension. The code is ...
1
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1answer
66 views

how to create multiple plot from a panda Dataframe

I want to plot multiple plots. The data is stored in a pandas dataframe and each row should be a seperate plot. Each row has an ID (ZRD_ID) which doenst matter and a date (TAG) and 24 values to be ...
1
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0answers
67 views

ValueError when reshaping to 4 dim array for the Keras API

DL beginner here. I'm trying to implement LeNet using Keras and apply it on good ol' MNIST. ...
1
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1answer
258 views

numpy array reshape question

Let's say that I have image data with shape $(32, 32, 3)$ and $50000$ If I would like to reshape it to $(50000, 3, 32, 32)$ what should I do? I tried ...
1
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0answers
19 views

Tensor Shape 'Reshape' during the dataflow

I would like to combine an Autoencoder with a LSTM. However, the 'timestep' is a block for the implements and I would like to train them together. Is there a solution to the tensor 'reshape'? I mean, ...
1
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1answer
90 views

What is the difference between different batch_sizes in Keras Sequential models?

I am interested to know, what happens when I choose batch_size=1 or batch_size=1000 or any other numbers in ...
0
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1answer
620 views

keras Sequential CNN for image data reshaping data issues

I am new at keras and CNN and am working on building at CNN for sequential analysis of movement in a image. What I am having issues with is the reshaping the data and the labels that go into the ...
2
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1answer
4k views

Keras input shape error

I am trying to load a Keras model and make predictions with it and run into a strange error. An minimal example is the following: ...
2
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1answer
470 views

Is the multilayer perceptron only able to accept 1d vector of input data? If yes, why is this so?

I am going through the tutorial at the link below which uses MNIST handwritten digit database. https://machinelearningmastery.com/handwritten-digit-recognition-using-convolutional-neural-networks-...
5
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1answer
9k views

Please explain input shape in Keras

My data consists of 2-dimensional arrays with shape (2,3). The whole dataset (emp) consists of 12 items (I know that it is too small of a number for an NN training, ...
2
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1answer
6k views

Are view() in Pytorch and reshape() in Numpy similar?

Are view() in torch and reshape() in Numpy similar? view() is applied on torch tensors to ...
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1answer
577 views

Reshape features in rows intro columns python?

My features are arranged in rows, Can anyone tell me please how can I transform them into columns with theirs corresponding times and values?? I mean each features has a set of corresponding times and ...
0
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1answer
871 views

Predictions with arbitrairy sequence length for stateful RNN (LSTM/GRU) in Keras

I have time series data of the following properties: input shape: (num_timesteps, num_features) output shape: (num_timesteps, num_outputs) I reshape it to batch ...
3
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4answers
2k views

rows to columns in data.table R (or Python)

This is something I can't achieve with the reshape2 library for R. I have the following data: ...