Answer by Ozzius for Trying to merge 2 dataframes but get ValueError
I was also facing the same issue as I was only trying to merge 2 data-frames. In my scenario, both datasets are almost identical, except 2 extra columns.Hence I was following your solution.def...
View ArticleAnswer by Normando for Trying to merge 2 dataframes but get ValueError
My 2 cents: I had the same issue and could not see why I was getting that because when doingdata.head() I saw the exact same values in ds (time column).The error was fixed when I added parse_dates in...
View ArticleAnswer by Fernando Gamiño for Trying to merge 2 dataframes but get ValueError
In my case, it happened because I was trying to merge columns that where not the index, so in order to fix this I used this code that I found in the...
View ArticleAnswer by Ega Dharmawan for Trying to merge 2 dataframes but get ValueError
this simple solution works for me final = pd.concat([df, rankingdf], axis=1, sort=False)but you may need to drop some duplicate column first.
View ArticleAnswer by Alex Moore-Niemi for Trying to merge 2 dataframes but get ValueError
I found that my dfs both had the same type column (str) but switching from join to merge solved the issue.
View ArticleAnswer by Erol for Trying to merge 2 dataframes but get ValueError
At first check the type of columns which you want to merge. You will see one of them is string where other one is int. Then convert it to int as following code:df["something"] =...
View ArticleAnswer by Kweweli for Trying to merge 2 dataframes but get ValueError
@Arnon Rotem-Gal-Oz answer is right for the most part. But I would like to point out the difference between df['year']=df['year'].astype(int) and df.year.astype(int). df.year.astype(int) returns a view...
View ArticleAnswer by CathyQian for Trying to merge 2 dataframes but get ValueError
Additional: when you save df to .csv format, the datetime (year in this specific case) is saved as object, so you need to convert it into integer (year in this specific case) when you do the merge....
View ArticleAnswer by Ashish Anand for Trying to merge 2 dataframes but get ValueError
It happens when common column in both table are of different data type.Example: In table1, you have date as string whereas in table2 you have date as datetime. so before merging,we need to change date...
View ArticleAnswer by Arnon Rotem-Gal-Oz for Trying to merge 2 dataframes but get ValueError
In one of your dataframes the year is a string and the other it is an int64you can convert it first and then join (e.g. df['year']=df['year'].astype(int) or as RafaelC suggested...
View ArticleTrying to merge 2 dataframes but get ValueError
These are my two dataframes saved in two variables:> print(df.head())> club_name tr_jan tr_dec year 0 ADO Den Haag 1368 1422 2010 1 ADO Den Haag 1455 1477 2011 2 ADO Den Haag 1461 1443 2012 3 ADO...
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