Advertisements I have a CSV data in which I want to merge every two rows in each of the columns. The code below works fine on other CSVs. However, it returns an error while mutating with this particular dataset. How can I fix this? The purpose is to merge every two rows in each of… Read More R mutate error while merging every two rows into one
Advertisements I’m currently working through a large number of warnings I have logged after my server was updated to PHP 8. One particular point that has me scratching my head is the following code block if (!$option[‘type’] || $option[‘type’] == "select") { $output .= ‘<b>’.$option[‘title’].’:</b>’; } I know that I can use isset($option[‘type’]) like this… Read More Using isset on !$myvar['var']
Advertisements x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0} print(x.keys()) s1 = [item[0] for item in sorted(x.items(), key=lambda item: (item[1], item[0]), reverse=True)] s2 = [item[0] for item in sorted(x.items(), key=lambda item: item[1], reverse=True)] print(s1) print(s2) The prints are: dict_keys([1, 3, 4, 2, 0]) [3, 4, 1, 2, 0] [3, 4, 1,… Read More Are these two sorting format exactly the same for dict sort in Python?
Advertisements I have dataframe with column d1 and now i am trying calculate ‘out’ column after ranking that column when there in ‘nan’ value with in a column. data_input = {‘Name’:[‘Renault’, ‘Renault’, ‘Renault’, ‘Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’], ‘type’:[‘Duster’, ‘Duster’, ‘Duster’,’Duster’,’Duster’,’Duster’,’Duster’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’], ‘d1’:[‘nan’,’10’,’10’,’10’,’nan’,’nan’,’20’,’20’,’nan’,’nan’,’30’,’30’,’30’,’nan’]} df_input = pd.DataFrame(data_input) data_out = {‘Name’:[‘Renault’, ‘Renault’, ‘Renault’, ‘Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’,’Renault’], ‘type’:[‘Duster’, ‘Duster’, ‘Duster’,’Duster’,’Duster’,’Duster’,’Duster’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’,’Triber’], ‘d1’:[‘nan’,’10’,’10’,’10’,’nan’,’nan’,’20’,’20’,’nan’,’nan’,’30’,’30’,’30’,’nan’], ‘out’:[1,np.NaN,np.NaN,np.NaN,2,2,np.NaN,np.NaN,1,1,np.NaN,np.NaN,np.NaN,2]} df_out = pd.DataFrame(data_out)… Read More rank for nan values based on group
Advertisements I’m having difficulty figuring out if the user has deleted my app from their Huawei phone when sending a Push. I’m looking at the push docs, I do not see any error code for this case. Also, looking at the sample app that Huawei has given, I can’t see it there either. Does anyone… Read More Detect Huawei app is uninstalled from phone
Advertisements I am having difficulties solving the error "there should be the same number of samples in x and y". I notice that others have posted on this site regarding this error, but their solutions have not worked for me. I am attaching an abbreviated version of my dataset here. x_train is here: x_train <-… Read More Caret rfe() error "there should be the same number of samples in x and y"
Advertisements Problem Statement: Some near infrared spectra on 60 samples of gasoline and corresponding octane numbers can be found by data(gasoline, package="pls"). Compute the mean value for each frequency and predict the response for the best model using the five different methods from Question 4. Note: This is Exercise 11.5 in Linear Models with R,… Read More How do I use the means of the columns of a matrix as prediction values in a linear regression in R?
Advertisements I have the following array const arr = [{ agrupacion: "Total país", valor: "81.8", year: 2015 }, { agrupacion: "Total país", valor: "86.4", year: 2016 }, { agrupacion: "Total país", valor: "67.3", year: 2017 }, { agrupacion: "Total país", valor: "70.8", year: 2018 }, { agrupacion: "Total país", valor: "67.6", year: 2019 }, {… Read More array of objects group them by a specific key
Advertisements I’m trying to calculate the number of unique records based on a mobile column that has an index via the Laravel collect and unique method. I have 200,000 rows and have a column called optout_csv_schedule_id that has an index on it along with the mobile. Right now, it’s been running over 15 minutes for… Read More SQL Laravel 5.7 unique() on collection really slow
Advertisements I have an array, for which a component (<span>Delete</span> in my case) needs to be shown only if the array length is greater than 2 and also, not show in first two array elements but show in other elements. Example: array = ["One","Two","Three","Four"] Show <span>Delete</span> in "Three" and "Four" as the array is greater… Read More How to render a component for particular element in a array