import-from-csv

问题 I have a script which read a CSV file. <?php echo '<table border="0" cellspacing="1" cellpadding="1" class="sortable" border="1"><caption>Title Here</caption> <thead><tr><th class="header">Time:</th><th class="header">Value 1:</th><th class="header">Value 2:</th><th class="header">Value 3:</td class="header"><th class="header">Value 4:</th><th class="header">Value 5:</th><th class="header">Value 6:</th><th class="header">Value 7:</th><th class="header">Value 8:</th><th class="header">Value 9:

问题 I have a .csv file that contain 5 columns, a_id, b_id, var, lo, up. I would like to create different combinations / patterns between two variables based on a_id, b_id, and var. In addition, at first I would like to delete the records that have no duplicate based on a_id, b_id, because if there is no duplicate, so combination or matching would not be created. As a result, in the dataFile.csv, first record is deleted, because it has no duplicate. For the combination / pattern between two

问题 I don't know if I am in the right section for this question, I've looked around and did not find an answer so here is my question: I have a CSV file ordered as follows: dat <- read.csv(text="Date,Demand 01/01/2012 00:00:00,5061.5 01/01/2012 00:05:00,5030.0 01/01/2012 00:10:00,5011.5 01/01/2012 00:15:00,4983.5 01/01/2012 00:20:00,4963.4 01/01/2012 00:25:00,4980.6 01/01/2012 00:30:00,4969.4 01/01/2012 00:35:00,4961.7 01/01/2012 00:40:00,4929.0 01/01/2012 00:45:00,4907.1 01/01/2012 00:50:00,4892

问题 I have got CSV files which has the Date in the following format: 25-Aug-2004 I want to read it as an "xts" object so as to use the function "periodReturn" in quantmod package. Can I use the following file for the function? Symbol Series Date Prev.Close Open.Price High.Price Low.Price 1 XXX EQ 25-Aug-2004 850.00 1198.70 1198.70 979.00 2 XXX EQ 26-Aug-2004 987.95 992.00 997.00 975.30 Guide me with the same. 回答1: Unfortunately I can't speak for the ts part, but this is how you can convert your

问题 I am fairly new to R , and have been using data.table a lot recently for a project involving manipulation of large data sets, specifically genome data. One of the columns is the chromosome number/name, which is formatted as "chr_", where the _ is 1-22, X, or Y. As the data is sorted by chromosomal position, this is a natural primary key for my data. However, setting this as the key produces unwanted results, namely sorting by lexicographic order rather than general numeric order (i.e. the

问题 Hi I have seen all over stack but couldn't find any appropriate answer for my question. The Answer were on how to read csv format and not to import into MYSQL Database. I have a Upload Controller That uploads my file on my server. Now i want that uploaded file to be imported into MYSQL database. Please Help Me. The Controller File: public function upload_it() { //load the helper $this->load->helper('form'); //Configure //set the path where the files uploaded will be copied. NOTE if using

问题 I have a CSV file which somewhat looks like this: I need to cluster "NoOffaces" and count how many datasets has 1 face, 2 face and so on. Here is what I did in R : data<-read.csv('test.csv') a<-table(data$NoOffaces) a #for printing a And here is the output: 0 1 2 3 4 5 6 7 8 9 10 14 15 19 448 375 104 33 16 7 4 2 2 3 1 3 1 1 But, I want to give name to the first two rows so that it looks somewhat like this Faces :0 1 2 3 4 5 6 7 8 9 10 14 15 19 Count :448 375 104 33 16 7 4 2 2 3 1 3 1 1 I am

问题 I'm trying to read in a .csv file from the IRS and it doesn't appear to be formatted in any weird way. I'm using the read.table() function, which I have used several times in the past but it isn't working this time; instead, I get this error: data_0910<-read.table("/Users/blahblahblah/countyinflow0910.csv",header=T,stringsAsFactors=FALSE,colClasses="character") Error in read.table("/Users/blahblahblah/countyinflow0910.csv", : more columns than column names Why is it doing this? For reference,

问题 I have two data files in tab separated CSV format. The files are in the following format: EP Code EP Name Address Region ... 101654 Alpha York Street Northwest ... 103628 Beta 5th Avenue South ... EP codes are unique. What I want to do is to compare two files with respect to EP codes, determine the different rows and write them into a new file. For example, file1.csv has 800 rows and file2.csv has 850 rows. file2 could be a file completely including file1 plus 50 rows; or it could be file1 -

问题 How do I add a column from an external .csv file to an existing project? I tried to find the solution online, but I wasn't successful. 回答1: Using the file you provided, I did this in less than one minute. I had a project, with one column: . If you know a little Python, try Jython. Edit Column > Add column based on this column and chose Language : Jython like this: import csv #we are going to use DictReader to transform our imported rows into dict, #so we can latter just refer to the column we