Setting an array element with a sequence. Since it is an array, it is not as flexible as a list.

The first row is Y and remaining 644 rows are X. The detected shape was (1000, 2) + inhomogeneous part. hows. Apr 2, 2024 · ValueError: setting an array element with a sequence. numpy is expecting a single number but getting a tuple(x,y). Jan 20, 2022 · I am trying to compute the Jacobian of this function but when I run the code below I get &quot;ValueError: setting an array element with a sequence. values y = dataset. As an alternative for one_hot_encoder from scikit you can use get_dummies from pandas and concat it to dataframe i. Sep 22, 2016 · Notice that it's dtype=object, and one of these objects is a list, hence "setting array element with sequence. But it's sure that autograd do not support vectorization of the code. My Python code is: im Mar 24, 2024 · ValueError: setting an array element with a sequence. NumPy is a powerful library for mathematical operations in Python. Feb 10, 2022 · A Computer Science portal for geeks. array can make an object dtype array from that (2x2), but can't make a float one. There is several similar problems, they all point out that x0 is not a 1D array, but here it is a 1D array. The detected shape was (2912 I applied my testcorpus to the ldamodel so it became a bag-of-words representation. tech/p/recommended. zeros((2,2)) # Define a sequence that matches the array's inner dimension sequence = [1, 2] # Assigning the sequence to the first row of the array arr_2d[0] = sequence print(arr_2d) Dec 31, 2023 · ValueError: setting an array element with a sequence. compose import ColumnTransformer from sklearn Mar 25, 2022 · ValueError: setting an array element with a sequence while creating n-dimentional array. &quot; import autograd. read_csv('train_data. The variables are defined in this block: res = 50 _x0=np. Flatten to reshape your data, and pd. i converted the dataset to numpy. S. ndarray but still having the Jun 16, 2017 · A couple of issues here, The input is the wrong shape; The input is a mixture of arrays and lists. csv') X = dataset. html ] PYTHON : ValueErr Apr 13, 2019 · I'm getting "ValueError: setting an array element with a sequence" on keras model. を解決したいです． 下記にコードを記載させていただきました． 調べてみたところ配列の次元数が違うと出ます．その意味は分かるのですが，なぜそのエラーが出ているのかわかりません． このエラーを解決するためにはどの部分を修正したらいいの May 25, 2012 · a=array([[0. 8]]) ValueError: setting an array element with a sequence. Feb 17, 2015 · Unrelatedly, it's not necessary in Python to create a list of zeros if you're just going to replace all the values in the list. toPandas() returns a column of lists. Mar 7, 2018 · ValueError: setting an array element with a sequence. I want to perform TF_IDF vectorization on some text documents and after use the results to train different machine learning models. array(img), np. The requested array has an inhomogeneous shape after 2 dimensions. Jul 19, 2023 · However, I receive these errors, TypeError: float() argument must be a string or a number, not 'csr_matrix' ValueError: setting an array element with a sequence. 18 (as of June 25, 2024 05:10 GMT +00:00 - More info Product prices and availability are accurate as of the date/time indicated and are subject to change. Check your feed_dict. Then I turned it into a matrix. Oct 15, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. array on a sequence with a inconsistant dimensions can throw it. In my code, I have 1 feature (1 column in the data table), and each entry in a column is a numpy array. But if I make it a list of tuples, I can create this structured array. It's probably a float, integer or whatever. import numpy as np cols = 2 rows = 3 matrix_b = np. Neither seem to be the case here. Here is my code: Aug 4, 2023 · 9% Off $18. When I call the fit() function, I get the following error: ValueError: setting an array element with a sequence. A) Mar 1, 2020 · ValueError: setting an array element with a sequence. Now I want to use scipy to make a linkage matrix of my matrix. I believe my main obstacle is that I can't figure out how to translate this simple operation in MATLAB: a=[1:2:20]; to numpy. The detected shape was (5,) + inhomogeneous part. This makes me think the problem is with my syntax on xstar[k,i], but I can't see what is wrong with that. What is causing the error? Is it the array([0, 1]? Or something to do on how to format the list. Jun 2, 2020 · ValueError: setting an array element with a sequence. I get ValueError: setting an array element with a sequence. Jun 11, 2020 · ValueError: setting an array element with a sequence. The detected shape was (31, 3) + inhomogeneous part. 2],linspace(1,60,60),[60. float. iloc[:, 1:-1]. [4 2 3] 例2: シーケンスの要素のデータ型が配列の要素のデータ型と一致していない Jul 11, 2019 · In the tutorial, there are 4 features (4 columns in the data table), and each entry in a column is a number. SKLearn ValueError: setting an array element with a sequence. import numpy as np import matplotlib. apply(lambda x: np. Feb 14, 2015 · The line here: samples[accepted] = x,y is the problem. May 24, 2015 · ValueError: setting an array element with a sequence at fit(X, y) in k-nearest neighbor 2 Classification test in Scikit-learn, ValueError: setting an array element with a sequence May 20, 2017 · ValueError: setting an array element with a sequence. I am attempting to change the following list into an numpy array: Feb 1, 2018 · ValueError: setting an array element with a sequence. array(list(df. First i have had the error: TypeError: 'int'object is not subscriptable For the second way i have had the error: ValueError: setting an array element as a sequence Update: the code, where training data list was create. Share. ValueError: setting an array element with a sequence. Series. 3. if you had just searched for 'numpy "setting an array element with a sequence"' the very first result (I see) in Google is the StackOverflow question I linked to. Any help will be appreciated Nov 1, 2023 · finBlackSourceMoves = np. Now that I have added an additional value to that array, the dimensionality matched for all the 1D arrays and X_train was able to form a 2D array. But this is not really recommended, as you May 29, 2015 · P. Feb 1, 2019 · I am trying to do KMeans Clusterin over multidimensional features. 5,res) _x1=np. Since your np. You need to convert this column of lists to a 2D array. Jul 11, 2023 · ValueError: setting an array element with a sequence. samples is of type np. Jun 28, 2019 · Hi, I have been looking to do something for your problem but couldn't find a proper solution. I guess that this is because only equally shaped arrays can be clustered. answered May 20, 2017 at 15:42. >>> np. Follow asked Mar 24 at 21:08. So on a second iteration fmin passes a 1D array (that's how it supposed to work) and the result becomes non-scalar. Here is my code: Feb 21, 2021 · dataset = pd. This workaround: np. where statement sometimes returns an empty array or even possibly an array with more scalars in it, it is a bit problematic. Load 7 more related questions Show fewer related questions Jul 20, 2017 · I am completely loosing my patience with TF and Python, I cant get this to work, "ValueError: setting an array element with a sequence. the second paragraph choose each component separately and use it in matrixproperly. The detected shape was (1, 4) + inhomogeneous part. May 1, 2018 · From reading other questions regarding this issue: ValueError: setting an array element with a sequence, it's either due to wrong structure of my data or because my data is of type string. But I am pretty sure it is not an array. One possible solution would be to use keras. To solve this error, ensure that each element in the array is of consistent length and that you do not have a sequence…. array(finBlackSourceMoves) ^^^^^ ValueError: setting an array element with a sequence. 如何修复：ValueError: setting an array element with a sequence 在这篇文章中，我们将讨论如何修复ValueError：使用Python设置数组元素的序列。 当我们使用Numpy库时，基本上会遇到的错误是ValueError：用一个序列设置数组元素。 Feb 10, 2022 · Learn how to avoid this error when using Numpy library in Python. Dec 4, 2021 · In this tutorial, we learned how to solve ValueError: setting an array element with a sequence. Dec 20, 2022 · I am currently developing a GUI in Python and have stuck on a function that is supposed to show wipe animation of Image A covering Image B in square frame. May 17, 2023 · TypeError: only size-1 arrays can be converted to Python scalars The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Users\gitsa\PycharmProjects\sagarPy1\SKtest. zeros((rows, cols, 3)) matrix_b[0, 0] = np. 1, verbose=1) X_tr Out[22]: arra Jul 11, 2019 · In the tutorial, there are 4 features (4 columns in the data table), and each entry in a column is a number. e Jan 12, 2017 · ValueError: setting an array element with a sequence. on DBSCAN, no missing dimensionality Jun 6, 2019 · training_data. layers. So, it was not able to form a 2D array. It doesn't match the 360 length arrays generated by the other expressions. Thanks. I know how to do it to access positions in an array, although not when creating a sequence. Nov 29, 2016 · As others note the problem is the 0 in the inner list. You can just as easily declare v_t_plus_h = [] and use v_t_plus_h. May 26, 2017 · "ValueError: setting an array element with a sequence" The problem comes when I try to reorder all the data the code is reading as shown here: Mar 20, 2012 · The reason is that the starting point (initial_theta) you gave to fmin is not a 1D array but a 2D array. fit model. I have tried a lot of different things. array ([4,5]) ValueError: setting an array element with a sequence. Mar 2, 2019 · ValueError: setting an array element with a sequence. It provides fast and efficient ways to perform array-oriented computations. But when I try to train SVC model I obtain the ValueError: setting an array element with a sequence. Provide details and share your research! But avoid …. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this prod Sep 23, 2015 · I am getting Numpy ValueError: setting an array element with a sequence when attempting to turn mysql data into a numpy array (eventually a list). Ash Ketchump Feb 8, 2014 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. What could be causing such an error? Creates a file, but does not write anything, weighs 0mb Oct 22, 2021 · #attempt to cram values '4' and '5' both into first position of NumPy array data[0] = np. float64'>' with 37469551 stored elements in Compressed Nov 21, 2017 · I'm new to data science and NLP. When I run the program, I receive these two Feb 27, 2024 · ValueError: setting an array element with a sequence. Sep 8, 2021 · Solution – The solution of this is straightforward if you need either you declare only floating numbers inside an array or if you want both, then make sure that you change the dtype as an object instead of float as shown below. Follow edited May 24, 2017 at 22:02. tolist() to uniformize the data type of the input array: Jun 7, 2017 · ValueError: setting an array element with a sequence while using it with tensorflow. ndarray with a specific dtype. I have a txt file with 45 columns and 645 rows. 1 What is the solution python gives me "ValueError: setting an array element with Dec 6, 2021 · PYTHON : ValueError: setting an array element with a sequence [ Gift : Animated Search Engine : https://www. Jan 31, 2023 · ValueError: setting an array element with a sequence. Jan 20, 2022 · The problem lies with your array b. array(x)). Where's your exception traceback? Furthermore, questions seeking help debugging must include a minimal reproducible example to reproduce the issue. When I checked the counts and X layers, the counts layer was a sparse matrix (<27132x14167 sparse matrix of type '<class 'numpy. I hope this discussion helped you to solve your problem. run([optimizer, cross_entropy] So tell me what is the "c" . What is weird is that of k=0 the code seems to work, but when k=1 it goes to pot. Nov 8, 2012 · ValueError: setting an array element with a sequence. values]). 97 $17. random. Dec 8, 2015 · Calling np. " on testx when sess. numpy as np from autograd Jan 12, 2017 · ValueError: setting an array element with a sequence. py", line 89, in <module> P[i, j] += -w * residual / b[i,j] ValueError: setting an array element with a sequence. Feb 24, 2018 · You left out the most important thing. What is the issue with a regular astype cast using a list of lists based on a pandas series? Nov 29, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Oct 6, 2023 · Introduction. Probably np. Aug 25, 2014 · The problem was that X_train did not have the same number of elements in all the arrays. astype("float32") Works. np. append([np. . Sometimes, while working with the NumPy and Python’s arrays manipulation, coders face error message ValueError:“Setting an array element with a Aug 8, 2019 · Trying to plot using solve_ivp to solve a 2 body systems equations of motion. The requested array has an inhomogeneous shape after 1 dimensions. 150k 39 39 gold Oct 12, 2014 · ValueError: setting an array element with a sequence in scikit-learn (sklearn) using GaussianNB. Feb 29, 2016 · I am trying to perform kmeans clustering in Python using numpy and sklearn. . Dec 5, 2018 · Pandas Set element of a new column as a list (iterable) raise ValueError: setting an array element with a sequence 0 ValueError: setting an array element with a sequence. arr1)) but this just maintains the first value from each array. iloc[:, -1]. This message may appear without the existing of a sequence? 0 ValueError: setting an array element with a Apr 7, 2017 · I am working on classification problem using iris dataset and i am having trouble ValueError: setting an array element with a sequence. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 22, 2017 · I'm trying to minimize the function, but get an ValueError: setting an array element with a sequence. Can anyone help me to explain the problem and give a suggestion to solve the problem? The text was updated successfully, but these errors were encountered: May 16, 2023 · ValueError: setting an array element with a sequence. append in the loop. run is invoked. values from sklearn. Dec 2, 2019 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand The problem is that your Softmax activation will try to give the best score to the correct class, but here you give sequence array that softmax will interpret with multiple "correct class" : Jul 7, 2022 · ValueError: setting an array element with a sequence. array(label)]) train = train_data[:-500] I have tried to do it two ways. Part of the problem is that np. MSeifert MSeifert. See two methods to fix the problem: using a common data-type for array elements or matching the default data-type of array. Improve this question. Apr 26, 2020 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Feb 2, 2024 · In Python, the ValueError: setting an array element with a sequence occurs when you try to assign an invalid data type to an array. I tried converting arr1 and arr2 by np. 0. Jun 15, 2018 · I'm trying to follow this reference to use GridSearchCV from Sklearn in order to find the best hyper parameters for a Keras Neural Network. array([0, 0, 1]) matrix_b[0, 0] = [0, 0, 1] #This also works Another option is to set the dtype to list and then you can set each element to a list. Viewed 3k times 0 I got a numpy. The detected shape was (6,) + inhomogeneous part. linspace(-1. But it gives the Value Error: setting an array element with a sequence. seed(1) def rotate_by_90_deg Image array for classification in sklearn pipeline - ValueError: setting an array element with a sequence 1 "Setting an array element with a sequence" numpy error Jan 29, 2023 · ValueError: setting an array element with a sequence. Its because the X values are much like [[0,0,1],0,2] which ain't a correct 2D data and this will lead to Setting an array element with a sequence. 5,res) _Y May 5, 2023 · Step2 ValueError: setting an array element with a sequence. arrays. 5,1. Here is code, sorry if the actual function is a bit of a handful it is just when using solve_ivp at the bottom where the problem arises so I don't know if I should reshape the input arrays in a different way. When you do df_collect['features']. The detected shape was (29, 2) + inhomogeneous part. vector. Asking for help, clarification, or responding to other answers. Ask Question Asked 7 years, 2 months ago. array Jun 9, 2023 · ValueError: setting an array element with a sequence. This can also occur when you try to assign multiple values to a single location on the array. pyplot as plt np. If you try to put a sequence of more than one element in the place of an array element, you will raise the error: ValueError: setting an array element with a sequence. List of tuples is the normal way of filling a structured array. array(df. Jan 8, 2015 · To fix rotate_by_90_deg, make new_mat have the same number of axes as im:. Well, where is the mistake, see below; c = sess. so far in your case I think the assignment in the following line creating the problem. Here's the code I have written: import numpy as np from Jan 23, 2024 · Code Example: import numpy as np # Initialize a 2D numpy array arr_2d = np. the basic function of the code is to take a bezier spline aerofoil, with control points and weights, run the data in xfoil and print cd and cl values, but this addition is to show a graph of the range of cd for a certain control point. Jul 26, 2015 · Valueerror: setting an array element with a sequence Hot Network Questions Has a rocket engine ever been reused by a second/third stage Jul 8, 2022 · df. array(y_tr), batch_size=32, epochs=5, validation_split=0. Explains that: You're trying to set an array element with a sequence. to_numpy() you get an array of arrays which is not the same as a 2D array. Oct 1, 2019 · Numpy ValueError: setting an array element with a sequence. Originally I wanted to have multiple fields but I've simplified the code to only making a list with one field (integer) for troubleshooting purposes. array([x for x in df. In my real dataset, there are 200-300 elements in each array. (or not? in case please explain why and how to make it 1D) May 9, 2017 · ValueError: setting an array element with a sequence. fit(X_tr, np. array([1,2,3,[4,5,6]]) ValueError: setting an array element with a sequence. Nov 13, 2017 · For component of matrix you can use the following construction: It is clear and does not need any explanation. It looks like it's failing at the point where tf ensures that all the elements of the feed_dict are numpy. #34 Feb 16, 2014 · You could add another dimension of size 3 to your array. Thanks for the ideas guys! Jul 12, 2017 · ValueError: setting an array element with a sequence. in the following code: import numpy as np from scipy import optimize as opt def f(x): Jan 19, 2018 · ValueError: setting an array element with a sequence. Modified 7 years, 2 months ago. This means there is something wrong with my conversions from list (values) to 1 x N matrix (y), and from list of list (features) to matrix (X). It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. For the purpose of explaining you the issue, I created a sample dataset similar to the one you are using (the only difference is that the sequences are shorter). The detected shape was (18,) + inhomogeneous part. Here is my code. python; machine-learning; scikit-learn; Share. Below are 10 entries for each. However, I keep getting ValueError: setting an array element with a sequence. Since it is an array, it is not as flexible as a list. Here is an example of what I have already tried: import pandas as pd Nov 18, 2022 · Pandas Set element of a new column as a list (iterable) raise ValueError: setting an array element with a sequence 1 python pandas concat : ValueError: Shape of passed values is (4, 9), indices imply (4, 5) May 25, 2020 · the issue here is that you are trying to plot a list of lists. rn ys ej wy lz ga pz uo uq vb